T-REX 2X LONG BRR DAILY TARGET ETF T-REX 2X LONG BRR DAILY TARGET ETF [Member] Effects of Compounding and Market Volatility Risk [Member] Leverage Risk [Member] Derivatives Risk [Member] Swap Agreements [Member] Call Options [Member] FLEX Options [Member] Counterparty Risk [Member] Rebalancing Risk [Member] Intra-Day Investment Risk [Member] Daily Correlation Risk [Member] Market Risk [Member] Indirect Investment Risk [Member] Underlying Security Investing Risk [Member] BRR Investing Risk [Member] Financials Sector Risk [Member] Industry Concentration Risk [Member] Risks Associated with Investments in Shell Companies [Member] Fixed Income Securities Risk [Member] Money Market Instrument Risk [Member] Large-Capitalization Company Risk [Member] Liquidity Risk [Member] Early Close/Trading Halt Risk [Member] Equity Securities Risk [Member] Cash Transaction Risk [Member] Tax Risk [Member] ETF Risks [Member] Authorized Participants, Market Makers, and Liquidity Providers Limitation Risk [Member] Cash Redemption Risk [Member] Costs of Buying or Selling Shares [Member] Shares May Trade at Prices Other Than NAV [Member] Trading [Member] New Fund Risk [Member] T-REX 2X LONG LMND DAILY TARGET ETF T-REX 2X LONG LMND DAILY TARGET ETF [Member] LMND Investing Risk [Member] Risks Associated with Investments in Property and Casualty Insurance Companies [Member] T-REX 2X LONG OSCR DAILY TARGET ETF T-REX 2X LONG OSCR DAILY TARGET ETF [Member] OSCR Investing Risk [Member] Healthcare Sector Risk [Member] Risks Associated with Investments in Healthcare Plans and Health Insurance Companies [Member] T-REX 2X LONG OUST DAILY TARGET ETF T-REX 2X LONG OUST DAILY TARGET ETF [Member] OUST Investing Risk [Member] Technology Sector Risk [Member] Risks Associated with Investments in Electronic Components Companies [Member] T-REX 2X LONG SPOT DAILY TARGET ETF T-REX 2X LONG SPOT DAILY TARGET ETF [Member] SPOT Investing Risk [Member] Communication Services Sector Risk [Member] Internet & Direct Marketing Retail Risk [Member] T-REX 2X LONG SYM DAILY TARGET ETF T-REX 2X LONG SYM DAILY TARGET ETF [Member] SYM Investing Risk [Member] Industrials Sector Risk [Member] Specialty Industrial Machinery Industry Risk [Member] T-REX 2X LONG RDW DAILY TARGET ETF T-REX 2X LONG RDW DAILY TARGET ETF [Member] RDW Investing Risk [Member] Aerospace and Defense Industry Risk [Member] T-REX 2X LONG UNH DAILY TARGET ETF T-REX 2X LONG UNH DAILY TARGET ETF [Member] UNH Investing Risk [Member] T-REX 2X LONG VOYG DAILY TARGET ETF T-REX 2X LONG VOYG DAILY TARGET ETF [Member] VOYG Investing Risk [Member] T-REX 2X LONG ETOR DAILY TARGET ETF T-REX 2X LONG ETOR DAILY TARGET ETF [Member] ETOR Investing Risk [Member] Capital Markets Industry Risk [Member] T-REX 2X LONG CHYM DAILY TARGET ETF T-REX 2X LONG CHYM DAILY TARGET ETF [Member] CHYM Investing Risk [Member] Information Technology Sector Risk [Member] Computer Software Industry Risk [Member] T-REX 2X LONG BMNR DAILY TARGET ETF T-REX 2X LONG BMNR DAILY TARGET ETF [Member] BMNR Investing Risk [Member] T-REX 2X LONG APLD DAILY TARGET ETF T-REX 2X LONG APLD DAILY TARGET ETF [Member] APLD Investing Risk [Member] T-REX 2X INVERSE CRWV DAILY TARGET ETF T-REX 2X INVERSE CRWV DAILY TARGET ETF [Member] Put Options [Member] Shorting Risk [Member] Daily Inverse Correlation Risk [Member] CRWV Investing Risk [Member] T-REX 2X INVERSE CRCL DAILY TARGET ETF T-REX 2X INVERSE CRCL DAILY TARGET ETF [Member] CRCL Investing Risk [Member] Interest Rate Risk [Member] Regulatory Uncertainty [Member] Competitive Pressure [Member] Macroeconomic Volatility [Member] Dependence on Partnerships [Member] De-pegging Risk [Member] Cybersecurity Risks [Member] Financial Technology Sector Risk [Member] Financial Companies Risk [Member] T-REX 2X LONG BRR DAILY TARGET ETF T-REX 2X LONG LMND DAILY TARGET ETF T-REX 2X LONG OSCR DAILY TARGET ETF T-REX 2X LONG OUST DAILY TARGET ETF T-REX 2X LONG SPOT DAILY TARGET ETF T-REX 2X LONG SYM DAILY TARGET ETF T-REX 2X LONG RDW DAILY TARGET ETF T-REX 2X LONG UNH DAILY TARGET ETF T-REX 2X LONG VOYG DAILY TARGET ETF T-REX 2X LONG ETOR DAILY TARGET ETF T-REX 2X LONG CHYM DAILY TARGET ETF T-REX 2X LONG BMNR DAILY TARGET ETF T-REX 2X LONG APLD DAILY TARGET ETF T-REX 2X INVERSE CRWV DAILY TARGET ETF T-REX 2X INVERSE CRCL DAILY TARGET ETF T-REX 2X LONG BRR DAILY TARGET ETF [Member] T-REX 2X LONG LMND DAILY TARGET ETF [Member] T-REX 2X LONG OSCR DAILY TARGET ETF [Member] T-REX 2X LONG OUST DAILY TARGET ETF [Member] T-REX 2X LONG SPOT DAILY TARGET ETF [Member] T-REX 2X LONG SYM DAILY TARGET ETF [Member] T-REX 2X LONG RDW DAILY TARGET ETF [Member] T-REX 2X LONG UNH DAILY TARGET ETF [Member] T-REX 2X LONG VOYG DAILY TARGET ETF [Member] T-REX 2X LONG ETOR DAILY TARGET ETF [Member] T-REX 2X LONG CHYM DAILY TARGET ETF [Member] T-REX 2X LONG BMNR DAILY TARGET ETF [Member] T-REX 2X LONG APLD DAILY TARGET ETF [Member] T-REX 2X INVERSE CRWV DAILY TARGET ETF [Member] T-REX 2X INVERSE CRCL DAILY TARGET ETF [Member] New Fund 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 Limitation Risk. ETF Risks. Tax Risk. Equity Securities Risk. Early Close/Trading Halt Risk. Liquidity Risk. Large-Capitalization Company Risk. Money Market Instrument Risk. Fixed Income Securities Risk. Financial Companies Risk. Industry Concentration Risk. Financial Technology Sector Risk. Cybersecurity Risks. De-pegging Risk. Dependence on Partnerships. Macroeconomic Volatility. Competitive Pressure. Regulatory Uncertainty. CRCL Investing Risk. Underlying Security Investing Risk. Indirect Investment Risk. Market Risk. Daily Inverse Correlation Risk. Intra-Day Investment Risk. Cash Transaction Risk. Shorting Risk. Rebalancing Risk. Counterparty Risk. FLEX Options. Put Options. Swap Agreements. Derivatives Risk. Effects of Compounding and Market Volatility Risk. Computer Software Industry Risk. Information Technology Sector Risk. CRWV Investing Risk. APLD Investing Risk. Daily Correlation Risk. Call Options. Leverage Risk. Capital Markets Industry Risk. Financials Sector Risk. BMNR Investing Risk. CHYM Investing Risk. ETOR Investing Risk. Aerospace and Defense Industry Risk. Industrials Sector Risk. VOYG Investing Risk. Risks Associated with Investments in Healthcare Plans and Health Insurance Companies. Healthcare Sector Risk. UNH Investing Risk. RDW Investing Risk. Specialty Industrial Machinery Industry Risk. SYM Investing Risk. Internet & Direct Marketing Retail Risk. Communication Services Sector Risk. SPOT Investing Risk. Risks Associated with Investments in Electronic Components Companies. Technology Sector Risk. OUST Investing Risk. OSCR Investing Risk. Risks Associated with Investments in Property and Casualty Insurance Companies. LMND Investing Risk. Risks Associated with Investments in Shell Companies. BRR Investing Risk. Interest Rate Risk.