v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
Defiance 2X Daily Long Pure Quantum ETF | Ionq, Inc. Swap; Maturity Date: 11/23/2027 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Defiance 2X Daily Long Pure Quantum ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
Defiance 2X Daily Long Pure Quantum ETF | IonQ, Inc. Swap; Maturity Date: 09/04/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
Defiance 2X Daily Long Pure Quantum ETF | D-Wave Quantum, Inc. Swap; Maturity Date: 03/14/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
Defiance 2X Daily Long Pure Quantum ETF | Quantum Computing, Inc. Swap; Maturity Date: 11/23/2027 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
Defiance 2X Daily Long Pure Quantum ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Defiance 2X Daily Long Pure Quantum ETF | D-Wave Quantum, Inc. Swap; Maturity Date: 09/04/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Defiance 2X Daily Long Pure Quantum ETF | Quantum Computing, Inc. Swap; Maturity Date: 09/04/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Defiance 2X Daily Long Pure Quantum ETF | Rigetti Computing, Inc. Swap; Maturity Date: 03/14/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Defiance 2X Daily Long Pure Quantum ETF | Rigetti Computing, Inc. Swap; Maturity Date: 09/04/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Defiance 2X Daily Long Pure Quantum ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance 2X Daily Long Pure Quantum ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.30%
Defiance Daily Target 2X Long OSCR ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
Defiance Daily Target 2X Long OSCR ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Defiance Daily Target 2X Long OSCR ETF | Oscar Health, Inc. Swap; Maturity Date: 09/28/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
Defiance Daily Target 2X Long OSCR ETF | Oscar Health, Inc. Swap; Maturity Date: 09/08/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
Defiance Daily Target 2X Long OSCR ETF | Oscar Health, Inc. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
Defiance Daily Target 2X Long OSCR ETF | Oscar Health, Inc. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
Defiance Daily Target 2X Long OSCR ETF | Oscar Health, Inc. Swap; Maturity Date: 11/09/2027 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
Defiance Daily Target 2X Long OSCR ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Long OSCR ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 57.80%
Defiance Daily Target 2X Long RGTI ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
Defiance Daily Target 2X Long RGTI ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
Defiance Daily Target 2X Long RGTI ETF | Rigetti Computing, Inc. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
Defiance Daily Target 2X Long RGTI ETF | Rigetti Computing, Inc. Swap; Maturity Date: 03/06/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
Defiance Daily Target 2X Long RGTI ETF | Rigetti Computing, Inc. Swap; Maturity Date: 09/08/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
Defiance Daily Target 2X Long RGTI ETF | Rigetti Computing, Inc. Swap; Maturity Date: 01/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Defiance Daily Target 2X Long RGTI ETF | Rigetti Computing, Inc. Swap; Maturity Date: 02/02/2029 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
Defiance Daily Target 2X Long RGTI ETF | Rigetti Computing, Inc. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
Defiance Daily Target 2X Long RGTI ETF | Rigetti Computing, Inc. Swap; Maturity Date: 07/01/2027 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Defiance Daily Target 2X Long RGTI ETF | Rigetti Computing, Inc. Swap; Maturity Date: 04/11/2031 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Defiance Daily Target 2X Long RGTI ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Long RGTI ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.80%
Defiance Daily Target 2X Long RIOT ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
Defiance Daily Target 2X Long RIOT ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Defiance Daily Target 2X Long RIOT ETF | Riot Platforms, Inc. Swap; Maturity Date: 09/08/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
Defiance Daily Target 2X Long RIOT ETF | Riot Platforms, Inc. Swap; Maturity Date: 09/22/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
Defiance Daily Target 2X Long RIOT ETF | Riot Platforms, Inc. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
Defiance Daily Target 2X Long RIOT ETF | Riot Platforms, Inc. Swap; Maturity Date: 02/04/2029 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
Defiance Daily Target 2X Long RIOT ETF | Riot Platforms, Inc. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
Defiance Daily Target 2X Long RIOT ETF | Riot Platforms, Inc. Swap; Maturity Date: 09/01/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
Defiance Daily Target 2X Long RIOT ETF | Riot Platforms, Inc. Swap; Maturity Date: 01/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Defiance Daily Target 2X Long RIOT ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Long RIOT ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 45.30%
Defiance Daily Target 2X Long RKLB ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
Defiance Daily Target 2X Long RKLB ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Defiance Daily Target 2X Long RKLB ETF | Rocket Lab Corp. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.60%
Defiance Daily Target 2X Long RKLB ETF | Rocket Lab Corp Swap Maturity Date 01222029 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
Defiance Daily Target 2X Long RKLB ETF | Rocket Lab Corp. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
Defiance Daily Target 2X Long RKLB ETF | Rocket Lab Corp Swap Maturity Date 08252026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
Defiance Daily Target 2X Long RKLB ETF | Rocket Lab Corp Swap Maturity Date 10012026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Defiance Daily Target 2X Long RKLB ETF | Rocket Lab Corp Swap Maturity Date 09152028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (5.00%)
Defiance Daily Target 2X Long RKLB ETF | Rocket Lab Corp Swap Maturity Date 09212026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
Defiance Daily Target 2X Long RKLB ETF | Rocket Lab Corp Swap Maturity Date 01312033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
Defiance Daily Target 2X Long RKLB ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Long RKLB ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.40%
Defiance Daily Target 2X Short BMNR ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
Defiance Daily Target 2X Short BMNR ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
Defiance Daily Target 2X Short BMNR ETF | BitMine Immersion Technologies, Inc. Swap; Maturity Date: 03/30/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.80%) [1]
Defiance Daily Target 2X Short BMNR ETF | BitMine Immersion Technologies, Inc. Swap; Maturity Date: 01/11/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
Defiance Daily Target 2X Short BMNR ETF | BitMine Immersion Technologies, Inc. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Defiance Daily Target 2X Short BMNR ETF | BitMine Immersion Technologies, Inc. Swap; Maturity Date: 11/01/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Defiance Daily Target 2X Short BMNR ETF | BitMine Immersion Technologies, Inc. Swap; Maturity Date: 11/12/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [1]
Defiance Daily Target 2X Short BMNR ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short BMNR ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Defiance Daily Target 2X Short HOOD ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
Defiance Daily Target 2X Short HOOD ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
Defiance Daily Target 2X Short HOOD ETF | Robinhood Markets Inc. Swap; Maturity Date: 01/11/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
Defiance Daily Target 2X Short HOOD ETF | Robinhood Markets, Inc. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
Defiance Daily Target 2X Short HOOD ETF | Robinhood Markets Inc. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
Defiance Daily Target 2X Short HOOD ETF | Robinhood Markets, Inc. Swap; Maturity Date: 11/01/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
Defiance Daily Target 2X Short HOOD ETF | Robinhood Markets, Inc. Swap; Maturity Date: 11/12/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.40%)
Defiance Daily Target 2X Short HOOD ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short HOOD ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.10%
Defiance Daily Target 2X Short IONQ ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.10%
Defiance Daily Target 2X Short IONQ ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
Defiance Daily Target 2X Short IONQ ETF | IonQ, Inc. Swap; Maturity Date: 09/24/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
Defiance Daily Target 2X Short IONQ ETF | IonQ, Inc. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
Defiance Daily Target 2X Short IONQ ETF | IonQ, Inc. Swap; Maturity Date: 11/16/2027 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Defiance Daily Target 2X Short IONQ ETF | IonQ, Inc. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Defiance Daily Target 2X Short IONQ ETF | IonQ, Inc. Swap; Maturity Date: 09/08/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Defiance Daily Target 2X Short IONQ ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short IONQ ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Defiance Daily Target 2X Short OKLO ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.20%
Defiance Daily Target 2X Short OKLO ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
Defiance Daily Target 2X Short OKLO ETF | Oklo, Inc. Swap; Maturity Date: 01/25/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Defiance Daily Target 2X Short OKLO ETF | Oklo, Inc. Swap; Maturity Date: 11/01/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Defiance Daily Target 2X Short OKLO ETF | Oklo, Inc. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [2]
Defiance Daily Target 2X Short OKLO ETF | Oklo, Inc. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Defiance Daily Target 2X Short OKLO ETF | Oklo, Inc. Swap; Maturity Date: 11/24/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Defiance Daily Target 2X Short OKLO ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short OKLO ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Defiance Daily Target 2X Short PLTR ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
Defiance Daily Target 2X Short PLTR ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Defiance Daily Target 2X Short PLTR ETF | Palantir Technologies, Inc. Swap; Maturity Date: 10/02/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (19.50%)
Defiance Daily Target 2X Short PLTR ETF | Palantir Technologies, Inc. Swap; Maturity Date: 09/21/2026 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
Defiance Daily Target 2X Short PLTR ETF | Palantir Technologies, Inc. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
Defiance Daily Target 2X Short PLTR ETF | Palantir Technologies, Inc. Swap; Maturity Date: 01/04/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
Defiance Daily Target 2X Short PLTR ETF | Palantir Technologies, Inc. Swap; Maturity Date: 03/01/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
Defiance Daily Target 2X Short PLTR ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short PLTR ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.80%
Defiance Daily Target 2X Short QBTS ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
Defiance Daily Target 2X Short QBTS ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
Defiance Daily Target 2X Short QBTS ETF | D-Wave Quantum, Inc. Swap; Maturity Date: 11/16/2027 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.30%
Defiance Daily Target 2X Short QBTS ETF | D-Wave Quantum, Inc. Swap; Maturity Date: 10/9/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Defiance Daily Target 2X Short QBTS ETF | D-Wave Quantum, Inc. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
Defiance Daily Target 2X Short QBTS ETF | D-Wave Quantum, Inc. Swap; Maturity Date: 09/08/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
Defiance Daily Target 2X Short QBTS ETF | D-Wave Quantum, Inc. Swap; Maturity Date: 03/30/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Defiance Daily Target 2X Short QBTS ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short QBTS ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 35.50%
Defiance Daily Target 2X Short RKLB ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 52.40%
Defiance Daily Target 2X Short RKLB ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
Defiance Daily Target 2X Short RKLB ETF | Rocket Lab Corp. Swap; Maturity Date: 03/18/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
Defiance Daily Target 2X Short RKLB ETF | Rocket Lab Corp. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
Defiance Daily Target 2X Short RKLB ETF | Rocket Lab Corp. Swap; Maturity Date: 11/01/2027 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
Defiance Daily Target 2X Short RKLB ETF | Rocket Lab Corp. Swap; Maturity Date: 11/17/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
Defiance Daily Target 2X Short RKLB ETF | Rocket Lab Corp. Swap; Maturity Date: 01/11/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
Defiance Daily Target 2X Short RKLB ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short RKLB ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
Defiance Daily Target 2X Short TSM ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
Defiance Daily Target 2X Short TSM ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Defiance Daily Target 2X Short TSM ETF | Taiwan Semiconductor Manufacturing Co. Ltd. Swap; Maturity Date: 01/11/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (3.20%)
Defiance Daily Target 2X Short TSM ETF | Taiwan Semiconductor Manufacturing Co. Ltd. Swap; Maturity Date: 11/17/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.10%)
Defiance Daily Target 2X Short TSM ETF | Taiwan Semiconductor Manufacturing Co. Ltd. Swap; Maturity Date: 11/01/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.60%)
Defiance Daily Target 2X Short TSM ETF | Taiwan Semiconductor Manufacturing Co. Ltd. Swap; Maturity Date: 03/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
Defiance Daily Target 2X Short TSM ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short TSM ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.90%)
Defiance Daily Target 2X Short ASTS ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
Defiance Daily Target 2X Short ASTS ETF | U.S. Treasury Bill, 5/21/2026, 3.46% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.20%
Defiance Daily Target 2X Short ASTS ETF | AST SpaceMobile, Inc. Swap; Maturity Date: 03/07/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
Defiance Daily Target 2X Short ASTS ETF | AST SpaceMobile, Inc. Swap; Maturity Date: 09/08/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.10%
Defiance Daily Target 2X Short ASTS ETF | AST SpaceMobile, Inc. Swap; Maturity Date: 02/05/2029 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (11.60%)
Defiance Daily Target 2X Short ASTS ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Short ASTS ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 37.70%
Defiance Daily Target 2X Long RCAT ETF | United States Treasury Bills [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
Defiance Daily Target 2X Long RCAT ETF | First American Government Obligations Fund - Class X, 3.56% [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
Defiance Daily Target 2X Long RCAT ETF | Red Cat Holdings, Inc. Swap; Maturity Date: 09/08/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
Defiance Daily Target 2X Long RCAT ETF | Red Cat Holdings, Inc. Swap; Maturity Date: 02/02/2029 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
Defiance Daily Target 2X Long RCAT ETF | Red Cat Holdings, Inc. Swap; Maturity Date: 02/22/2028 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
Defiance Daily Target 2X Long RCAT ETF | Red Cat Holdings, Inc. Swap; Maturity Date: 01/31/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [3]
Defiance Daily Target 2X Long RCAT ETF | Red Cat Holdings, Inc. Swap; Maturity Date: 03/30/2033 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.00%) [4]
Defiance Daily Target 2X Long RCAT ETF | Cash Equivalents [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
Defiance Daily Target 2X Long RCAT ETF | Total Return Swap Contracts [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
[1] Less than 0.05%
[2] Less than 0.05%
[3]    Less than 0.05%
[4]    Less than -0.05%