Defiance Daily Target 2X Short RGTI ETF RGTI Price Appreciation Risk [Member] Indirect Investment in RGTI Risk [Member] RGTI Good Performance Risk [Member] Industry Recognition and Analyst Coverage Risk [Member] Risks from Industry Growth and RGTI's Business Success [Member] Single Issuer Risk [Member] Compounding and Market Volatility Risk [Member] Daily Correlation/Tracking Risk [Member] Short Sale Exposure Risk [Member] Derivatives Risk [Member] Swap Agreements [Member] Options Contracts [Member] Counterparty Risk [Member] Intra-Day Investment Risk [Member] Fixed Income Securities Risk [Member] Rebalancing Risk [Member] ETF Risks [Member] Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk [Member] Cash Redemption Risk [Member] Costs of Buying or Selling Shares [Member] Shares May Trade at Prices Other Than NAV [Member] Trading [Member] Liquidity Risks [Member] Economic and Market Risk [Member] High Portfolio Turnover Risk [Member] Tracking Error Risk [Member] Liquidity Risk [Member] Money Market Instrument Risk [Member] New Fund Risk [Member] Trading Halt Risk [Member] Operational Risk [Member] U.S. Government and U.S. Agency Obligations Risk [Member] Tax Risk [Member] Defiance Daily Target 2X Short QBTS ETF QBTS Price Appreciation Risk [Member] Indirect Investment in QBTS Risk [Member] QBTS Good Performance Risk [Member] Risks from Industry Growth and QBTS's Business Success [Member] Defiance Daily 2X Space ETF Space Investing Risks [Member] Industry Concentration Risk [Member] IPO, SPAC and De-SPAC Risks [Member] Corporate Combination and Multi-Segment Risk [Member] Leverage Risk [Member] Recent IPO and Derivatives Capacity Constraints Risk [Member] Focused Portfolio Risk [Member] Foreign Securities Risk [Member] Depositary Receipt Risk [Member] Illiquid Security Risks [Member] Market Capitalization Risks [Member] Large-Capitalization Investing [Member] Mid-Capitalization Investing [Member] Small-Capitalization Investing [Member] Micro-Capitalization Investing [Member] Models and Data Risk [Member] Defiance Daily Target 2X Long CLF ETF CLF Risks [Member] Indirect Investment in CLF Risk [Member] CLF Trading Risk [Member] CLF Performance Risk [Member] Commodity Price Risk [Member] Global Steelmaking Overcapacity Risk [Member] Automotive Industry Risk [Member] Metals and Mining Industry Risk [Member] Regulatory Risk [Member] Indebtedness Risk [Member] Operating Expenses Risk [Member] Defiance Daily Target 2X Long PLUG ETF PLUG Risks [Member] Indirect Investment in PLUG Risk [Member] PLUG Trading Risk [Member] PLUG Performance Risk [Member] Hydrogen Production Risk [Member] Electrical Equipment Industry Risk [Member] Commodity Risk [Member] Operational Risks [Member] Third Party Supplier Risk [Member] Operating Losses Risk [Member] Defiance Daily Target 2X Long UUUU ETF UUUU Risks [Member] Indirect Investment in UUUU Risk [Member] UUUU Trading Risk [Member] UUUU Performance Risk [Member] Oil, Gas, and Consumable Fuels Industry Risk [Member] Mineral Extraction Industry Risk [Member] Regulatory Risks [Member] Defiance Daily Target 2X Long CCJ ETF CLF Risks [Member] Indirect Investment in CLF Risk [Member] CLF Trading Risk [Member] CLF Performance Risk [Member] Mining Uranium Risk [Member] Foreign Securities Risk [Member] Currency Risk [Member] Defiance Daily Target 2X Long DNN ETF DNN Risks [Member] Indirect Investment in DNN Risk [Member] DNN Trading Risk [Member] DNN Performance Risk [Member] Mining Industry Risk [Member] Regulation Risk [Member] Operating Loss Risk [Member] Defiance Daily Target 2X Long HL ETF HL Risks [Member] Indirect Investment in HL Risk [Member] HL Trading Risk [Member] HL Performance Risk [Member] Metals and Mining Industry Risks [Member] Operational Losses Risk [Member] Litigation Risk [Member] Defiance Daily Target 2X Long NDAQ ETF NDAQ Risks [Member] Indirect Investment in NDAQ Risk [Member] NDAQ Trading Risk [Member] NDAQ Performance Risk [Member] Operations Risk [Member] Technology Risk [Member] Capital Markets Industry Risk [Member] Cybersecurity Risk [Member] Changing Technology Risk [Member] Defiance Daily Target 2X Long PAAS ETF PAAS Risks [Member] Indirect Investment in PAAS Risk [Member] PAAS Trading Risk [Member] PAAS Performance Risk [Member] International Business Risks [Member] Title to Assets Risk [Member] Defiance Daily Target 2X Long PATH ETF PATH Risks [Member] Indirect Investment in PATH Risk [Member] PATH Trading Risk [Member] PATH Performance Risk [Member] Software Industry Risk [Member] Artificial Intelligence Risk [Member] Data Privacy and Cybersecurity Risk [Member] Intellectual Property Risks [Member] Dual Class Common Stock Risk [Member] Defiance Daily Target 2X Long POET ETF POET Risks [Member] Indirect Investment in POET Risk [Member] POET Trading Risk [Member] POET Performance Risk [Member] Semiconductors Industry Risks [Member] Operating Loss History [Member] Fab-light Strategy Risk [Member] Limited Operating History [Member] Newer Fund Risk [Member] Defiance Daily Target 2X Long VISN ETF VISN Risks [Member] Indirect Investment in VISN Risk [Member] VISN Trading Risk [Member] VISN Performance Risk [Member] Communications Equipment Industry Risks [Member] Risks Relating to Reliance on Third Parties [Member] Commodity Price Risks [Member] Supplier Risks [Member] Defiance Daily Target 2X Long AMKR ETF AMKR Risks [Member] Indirect Investment in AMKR Risk [Member] AMKR Trading Risk [Member] AMKR Performance Risk [Member] Automotive Industry Risks [Member] Defiance Daily Target 2X Long SOFI ETF SOFI Risks [Member] Indirect Investment in SOFI Risk [Member] SOFI Trading Risk [Member] SOFI Performance Risk [Member] Consumer Finance Industry Risks [Member] Interest Rate Risks [Member] Operations Risks [Member] Defiance Daily Target 2X Long AMAT ETF AMAT Risks [Member] Indirect Investment in AMAT Risk [Member] AMAT Trading Risk [Member] AMAT Performance Risk [Member] Semiconductor Industry Risks [Member] Concentrated Customer Base Risks [Member] Defiance Daily Target 2X Long ORCL ETF ORCL Risks [Member] Indirect Investment in ORCL Risk [Member] ORCL Trading Risk [Member] ORCL Performance Risk [Member] Operations and Business Risks [Member] Data Security Risks [Member] Litigation Risk [Member] Defiance Daily Target 2X Long FSLR ETF FSLR Risks [Member] Indirect Investment in FSLR Risk [Member] FSLR Trading Risk [Member] FSLR Performance Risk [Member] Defiance Daily Target 2X Long BE ETF BE Risks [Member] Indirect Investment in BE Risk [Member] BE Trading Risk [Member] BE Performance Risk [Member] BE Market and Business Risks [Member] BE Operational, Regulatory, and Financial Risks [Member] Electrical Equipment Industry Risks [Member] Defiance Daily Target 2X Long BIIB ETF BIIB Risks [Member] Indirect Investment in BIIB Risk [Member] BIIB Trading Risk [Member] BIIB Performance Risk [Member] BIIB Business Risks [Member] Biotechnology Industry Risk [Member] Defiance Daily Target 2X Long BTQ ETF BTQ Risks [Member] Indirect Investment in BTQ Risk [Member] BTQ Trading Risk [Member] BTQ Performance Risk [Member] BTQ Business and Technology Risks [Member] BTQ Market and Listing Risks [Member] Software Industry Risks [Member] Newly Public Company Risks [Member] Foreign Issuer Risks [Member] Defiance Daily Target 2X Long DYNC ETF DYNC Risks [Member] Indirect Investment in DYNC Risk [Member] DYNC Trading Risk [Member] DYNC Performance Risk [Member] DYNC Business Risks [Member] DYNC Market and Listing Risks [Member] Financials Services Industry Risk [Member] Blockchain Related Company Risk [Member] Digital Assets Risk [Member] Digital Asset Markets Risk [Member] Defiance Daily Target 2X Long JBLU ETF JBLU Risks [Member] Indirect Investment in JBLU Risk [Member] JBLU Trading Risk [Member] JBLU Performance Risk [Member] JBLU Competitive, Operational, Fuel and Fleet Risks [Member] JBLU Financial Leverage, Liquidity and Capital Market Risks [Member] JBLU Cybersecurity and Reputational Risks [Member] Airlines Industry Risk [Member] Defiance Daily Target 2X Long NOK ETF NOK Risks [Member] Indirect Investment in NOK Risk [Member] NOK Trading Risk [Member] NOK Performance Risk [Member] Business, Technology, and Supply Chain Risks [Member] Financial, Contractual, and Customer Risks [Member] Legal, Regulatory, and Compliance Risks [Member] Defiance Daily Target 2X Long OXY ETF OXY Risks [Member] Indirect Investment in OXY Risk [Member] OXY Trading Risk [Member] OXY Performance Risk [Member] OXY Commodity Price and Market Risks [Member] OXY Environmental, Climate, and Regulatory Risks [Member] OXY Operational and Geopolitical Risks [Member] OXY Financial, Counterparty, and Legal Risks [Member] Defiance Daily Target 2X Long RMBS ETF RMBS Risks [Member] Indirect Investment in RMBS Risk [Member] RMBS Trading Risk [Member] RMBS Performance Risk [Member] RMBS Customer and Revenue Risks [Member] RMBS Operational and Global Risks [Member] RMBS Legal and Compliance Risks [Member] Semiconductors & Semiconductor Equipment Industry Risks [Member] Defiance Daily Target 2X Long VRTX ETF VRTX Risks [Member] Indirect Investment in VRTX Risk [Member] VRTX Trading Risk [Member] VRTX Performance Risk [Member] VRTX Commercialization Risks [Member] VRTX Operational Risks [Member] VRTX Legal and Financial Risks [Member] 99 Costs of Buying or Selling Shares [Member] Defiance Daily Target 2X Long WING ETF WING Risks [Member] Indirect Investment in WING Risk [Member] WING Trading Risk [Member] WING Performance Risk [Member] WING Operational Risks [Member] WING Financial and Regulatory Risks [Member] Hotels, Restaurants and Leisure Industry Risks [Member] Defiance Daily Target 2X Long ZIM ETF ZIM Risks [Member] Indirect Investment in ZIM Risk [Member] ZIM Trading Risk [Member] ZIM Performance Risk [Member] ZIM Geopolitical and Competitive Risks [Member] ZIM Operational, Cost, and Environmental Risks [Member] ZIM Regulatory, Legal, and Cybersecurity Risks [Member] Marine Transportation Industry Risks [Member] Defiance Daily Target 2X Short RGTI ETF [Member] Defiance Daily Target 2X Short QBTS ETF [Member] Defiance Daily 2X Space ETF [Member] Defiance Daily Target 2X Long CLF ETF [Member] Defiance Daily Target 2X Long PLUG ETF [Member] Defiance Daily Target 2X Long UUUU ETF [Member] Defiance Daily Target 2X Long CCJ ETF [Member] Defiance Daily Target 2X Long DNN ETF [Member] Defiance Daily Target 2X Long HL ETF [Member] Defiance Daily Target 2X Long NDAQ ETF [Member] Defiance Daily Target 2X Long PAAS ETF [Member] Defiance Daily Target 2X Long PATH ETF [Member] Defiance Daily Target 2X Long POET ETF [Member] Defiance Daily Target 2X Long VISN ETF [Member] Defiance Daily Target 2X Long AMKR ETF [Member] Defiance Daily Target 2X Long SOFI ETF [Member] Defiance Daily Target 2X Long AMAT ETF [Member] Defiance Daily Target 2X Long ORCL ETF [Member] Defiance Daily Target 2X Long FSLR ETF [Member] Defiance Daily Target 2X Long BE ETF [Member] Defiance Daily Target 2X Long BIIB ETF [Member] Defiance Daily Target 2X Long BTQ ETF [Member] Defiance Daily Target 2X Long DYNC ETF [Member] Defiance Daily Target 2X Long JBLU ETF [Member] Defiance Daily Target 2X Long NOK ETF [Member] Defiance Daily Target 2X Long OXY ETF [Member] Defiance Daily Target 2X Long RMBS ETF [Member] Defiance Daily Target 2X Long VRTX ETF [Member] Defiance Daily Target 2X Long WING ETF [Member] Defiance Daily Target 2X Long ZIM ETF [Member] Defiance Daily Target 2X Long CLF ETF Defiance Daily Target 2X Long CLF ETF [Member] Defiance Daily Target 2X Long PLUG ETF Defiance Daily Target 2X Long PLUG ETF [Member] Defiance Daily Target 2X Long UUUU ETF Defiance Daily Target 2X Long UUUU ETF [Member] Defiance Daily Target 2X Long CCJ ETF Defiance Daily Target 2X Long CCJ ETF [Member] Defiance Daily Target 2X Long DNN ETF Defiance Daily Target 2X Long DNN ETF [Member] Defiance Daily Target 2X Long HL ETF Defiance Daily Target 2X Long HL ETF [Member] Defiance Daily Target 2X Long NDAQ ETF Defiance Daily Target 2X Long NDAQ ETF [Member] Defiance Daily Target 2X Long PAAS ETF Defiance Daily Target 2X Long PAAS ETF [Member] Defiance Daily Target 2X Long PATH ETF Defiance Daily Target 2X Long PATH ETF [Member] Defiance Daily Target 2X Long POET ETF Defiance Daily Target 2X Long POET ETF [Member] Defiance Daily Target 2X Long VISN ETF Defiance Daily Target 2X Long VISN ETF [Member] Defiance Daily Target 2X Long AMKR ETF Defiance Daily Target 2X Long AMKR ETF [Member] Tax Risk. Operational Risk. Trading Halt Risk. New Fund Risk. Money Market Instrument Risk. Liquidity Risk. Tracking Error Risk. High Portfolio Turnover Risk. Economic and Market Risk. Trading. Shares May Trade at Prices Other Than NAV. Costs of Buying or Selling Shares. Cash Redemption Risk. Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. ETF Risks. Rebalancing Risk. Fixed Income Securities Risk. Intra-Day Investment Risk. Counterparty Risk. Options Contracts. Swap Agreements. Derivatives Risk. Leverage Risk. Compounding and Market Volatility Risk. Single Issuer Risk. Marine Transportation Industry Risks. ZIM Regulatory, Legal, and Cybersecurity Risks. ZIM Operational, Cost, and Environmental Risks. ZIM Performance Risk. ZIM Trading Risk. Indirect Investment in ZIM Risk. ZIM Risks. Hotels, Restaurants and Leisure Industry Risks. WING Financial and Regulatory Risks. WING Performance Risk. WING Trading Risk. Indirect Investment in WING Risk. WING Risks. Biotechnology Industry Risk. VRTX Legal and Financial Risks. VRTX Operational Risks. VRTX Performance Risk. VRTX Trading Risk. Indirect Investment in VRTX Risk. VRTX Risks. RMBS Legal and Compliance Risks. RMBS Operational and Global Risks. RMBS Performance Risk. RMBS Trading Risk. Indirect Investment in RMBS Risk. RMBS Risks. Oil, Gas, and Consumable Fuels Industry Risk. OXY Financial, Counterparty, and Legal Risks. OXY Operational and Geopolitical Risks. OXY Environmental, Climate, and Regulatory Risks. OXY Performance Risk. OXY Trading Risk. Indirect Investment in OXY Risk. OXY Risks. Communications Equipment Industry Risks. Legal, Regulatory, and Compliance Risks. Financial, Contractual, and Customer Risks. NOK Performance Risk. NOK Trading Risk. Indirect Investment in NOK Risk. NOK Risks. Airlines Industry Risk. JBLU Cybersecurity and Reputational Risks. JBLU Financial Leverage, Liquidity and Capital Market Risks. JBLU Performance Risk. JBLU Trading Risk. Indirect Investment in JBLU Risk. JBLU Risks. Newly Public Company Risks. Digital Asset Markets Risk. Digital Assets Risk. Blockchain Related Company Risk. Financials Services Industry Risk. DYNC Market and Listing Risks. DYNC Performance Risk. DYNC Trading Risk. Indirect Investment in DYNC Risk. DYNC Risks. Foreign Issuer Risks. Software Industry Risks. BTQ Market and Listing Risks. BTQ Performance Risk. BTQ Trading Risk. Indirect Investment in BTQ Risk. BTQ Risks. BIIB Performance Risk. BIIB Trading Risk. Indirect Investment in BIIB Risk. BIIB Risks. Electrical Equipment Industry Risks. BE Operational, Regulatory, and Financial Risks. BE Performance Risk. BE Trading Risk. Indirect Investment in BE Risk. BE Risks. Daily Correlation/Tracking Risk. Cybersecurity Risk. Intellectual Property Risks. Regulatory Risks. Semiconductor Industry Risks. FSLR Trading Risk. Indirect Investment in FSLR Risk. Litigation Risk. Data Security Risks. Operations and Business Risks. Software Industry Risk. ORCL Trading Risk. Indirect Investment in ORCL Risk. ORCL Risks. International Business Risks. Concentrated Customer Base Risks. Operations Risks. AMAT Trading Risk. Indirect Investment in AMAT Risk. AMAT Risks. Interest Rate Risks. SOFI Performance Risk. SOFI Trading Risk. Indirect Investment in SOFI Risk. SOFI Risks. Newer Fund Risk. FSLR Performance Risk. ORCL Performance Risk. AMAT Performance Risk. Automotive Industry Risks. Supplier Risks. AMKR Performance Risk. AMKR Trading Risk. Indirect Investment in AMKR Risk. AMKR Risks. Commodity Price Risks. Risks Relating to Reliance on Third Parties. VISN Performance Risk. VISN Trading Risk. Indirect Investment in VISN Risk. VISN Risks. Foreign Securities Risk. Currency Risk. Foreign Securities Risk. Third Party Supplier Risk. Limited Operating History. Operating Loss History. POET Performance Risk. POET Trading Risk. Indirect Investment in POET Risk. POET Risks. Operating Loss Risk. Dual Class Common Stock Risk. Data Privacy and Cybersecurity Risk. Artificial Intelligence Risk. Operations Risk. PATH Performance Risk. PATH Trading Risk. Indirect Investment in PATH Risk. PATH Risks. Regulatory Risk. Title to Assets Risk. PAAS Performance Risk. PAAS Trading Risk. Indirect Investment in PAAS Risk. PAAS Risks. Changing Technology Risk. Capital Markets Industry Risk. Technology Risk. NDAQ Performance Risk. NDAQ Trading Risk. Indirect Investment in NDAQ Risk. NDAQ Risks. Operational Losses Risk. HL Performance Risk. HL Trading Risk. Indirect Investment in HL Risk. HL Risks. Regulation Risk. Mining Uranium Risk. DNN Performance Risk. DNN Trading Risk. Indirect Investment in DNN Risk. DNN Risks. Commodity Price Risk. CLF Performance Risk. CLF Trading Risk. Indirect Investment in CLF Risk. CLF Risks. Operational Risks. Mineral Extraction Industry Risk. UUUU Performance Risk. UUUU Trading Risk. Indirect Investment in UUUU Risk. UUUU Risks. Operating Losses Risk. Commodity Risk. Electrical Equipment Industry Risk. PLUG Performance Risk. PLUG Trading Risk. Indirect Investment in PLUG Risk. PLUG Risks. Operating Expenses Risk. Indebtedness Risk. Metals and Mining Industry Risk. Automotive Industry Risk. Global Steelmaking Overcapacity Risk. CLF Performance Risk. CLF Trading Risk. Indirect Investment in CLF Risk. CLF Risks. U.S. Government and U.S. Agency Obligations Risk. Liquidity Risks. Semiconductors Industry Risks. Fab-light Strategy Risk. Metals and Mining Industry Risks. Mining Industry Risk. Hydrogen Production Risk. Defiance Daily 2X Space ETF Defiance Daily 2X Space ETF [Member] Defiance Daily Target 2X Long SOFI ETF Defiance Daily Target 2X Long SOFI ETF [Member] Defiance Daily Target 2X Long AMAT ETF Defiance Daily Target 2X Long AMAT ETF [Member] Defiance Daily Target 2X Long ORCL ETF Defiance Daily Target 2X Long ORCL ETF [Member] Defiance Daily Target 2X Long FSLR ETF Defiance Daily Target 2X Long FSLR ETF [Member] Defiance Daily Target 2X Long BE ETF Defiance Daily Target 2X Long BE ETF [Member] Defiance Daily Target 2X Long BIIB ETF Defiance Daily Target 2X Long BIIB ETF [Member] Defiance Daily Target 2X Long BTQ ETF Defiance Daily Target 2X Long BTQ ETF [Member] Defiance Daily Target 2X Long DYNC ETF Defiance Daily Target 2X Long DYNC ETF [Member] Defiance Daily Target 2X Long JBLU ETF Defiance Daily Target 2X Long JBLU ETF [Member] Defiance Daily Target 2X Long NOK ETF Defiance Daily Target 2X Long NOK ETF [Member] Defiance Daily Target 2X Long OXY ETF Defiance Daily Target 2X Long OXY ETF [Member] Defiance Daily Target 2X Long RMBS ETF Defiance Daily Target 2X Long RMBS ETF [Member] Defiance Daily Target 2X Long VRTX ETF Defiance Daily Target 2X Long VRTX ETF [Member] Defiance Daily Target 2X Long WING ETF Defiance Daily Target 2X Long WING ETF [Member] Defiance Daily Target 2X Long ZIM ETF Defiance Daily Target 2X Long ZIM ETF [Member] Space Investing Risks. Recent IPO and Derivatives Capacity Constraints Risk. Models and Data Risk. Micro-Capitalization Investing. Small-Capitalization Investing. Mid-Capitalization Investing. Large-Capitalization Investing. IPO, SPAC and De-SPAC Risks. Industry Concentration Risk. Illiquid Security Risks. Depositary Receipt Risk. Focused Portfolio Risk. Market Capitalization Risks. Corporate Combination and Multi-Segment Risk. Consumer Finance Industry Risks. Litigation Risk. FSLR Risks. BE Market and Business Risks. BIIB Business Risks. BTQ Business and Technology Risks. DYNC Business Risks. JBLU Competitive, Operational, Fuel and Fleet Risks. Business, Technology, and Supply Chain Risks. OXY Commodity Price and Market Risks. RMBS Customer and Revenue Risks. Semiconductors & Semiconductor Equipment Industry Risks. VRTX Commercialization Risks. 99 Costs of Buying or Selling Shares. WING Operational Risks. ZIM Geopolitical and Competitive Risks. Defiance Daily Target 2X Short RGTI ETF Defiance Daily Target 2X Short RGTI ETF [Member] Defiance Daily Target 2X Short QBTS ETF Defiance Daily Target 2X Short QBTS ETF [Member] RGTI Price Appreciation Risk. Indirect Investment in RGTI Risk. RGTI Good Performance Risk. Industry Recognition and Analyst Coverage Risk. Risks from Industry Growth and RGTI's Business Success. Short Sale Exposure Risk. QBTS Price Appreciation Risk. Indirect Investment in QBTS Risk. QBTS Good Performance Risk. Risks from Industry Growth and QBTS's Business Success. CLF Risks [Member] [Default Label] Indirect Investment in CLF Risk [Member] [Default Label] CLF Trading Risk [Member] [Default Label] CLF Performance Risk [Member] [Default Label] Foreign Securities Risk [Member] [Default Label] Litigation Risk [Member] [Default Label]