T-REX 2X INVERSE NVIDIA DAILY TARGET ETF T-REX 2X INVERSE TESLA DAILY TARGET ETF T-REX 2X LONG NVIDIA DAILY TARGET ETF T-REX 2X LONG TESLA DAILY TARGET ETF S&P 500® Index Investment Type [Axis] Total Return Swap Contracts [Member] Cash [Member] Derivatives [Member] Other Assets, Net of Liabilities [Member] Other Assets in Excess of Liabilities [Member] T-REX 2X INVERSE NVIDIA DAILY TARGET ETF. S&P 500® Index. Total Return Swap Contracts Derivatives. Other Assets Net of Liabilities. T-REX 2X INVERSE TESLA DAILY TARGET ETF. T-REX 2X LONG NVIDIA DAILY TARGET ETF. Other Assets in Excess of Liabilities. T-REX 2X LONG TESLA DAILY TARGET ETF. Net Assets Investment Company, Portfolio Turnover