Average Annual Total Returns		12 Months Ended	18 Months Ended	20 Months Ended
	Feb. 28, 2025	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024
2x Bitcoin Strategy ETF
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return Before Taxes
Average Annual Return, Percent		165.27%	150.05%
Performance Inception Date	Jun. 26, 2023
2x Bitcoin Strategy ETF | After Taxes on Distributions
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return After Taxes on Distributions
Average Annual Return, Percent		150.11%	140.53%
2x Bitcoin Strategy ETF | After Taxes on Distributions and Sales
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return After Taxes on Distributions and Sale of Shares
Average Annual Return, Percent		95.01%	113.62%
Volatility Premium Plus ETF
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return Before Taxes
Average Annual Return, Percent		8.62%		34.12%
Performance Inception Date	Apr. 17, 2023
Volatility Premium Plus ETF | After Taxes on Distributions
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return After Taxes on Distributions
Average Annual Return, Percent		(2.41%)		25.80%
Volatility Premium Plus ETF | After Taxes on Distributions and Sales
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	Return After Taxes on Distributions and Sale of Fund Shares
Average Annual Return, Percent		5.23%		23.08%
S&P 500 Total Return Index (reflects no deduction for fees, expenses or taxes)
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	S&P 500 Total Return Index (reflects no deduction for fees, expenses or taxes)
Average Annual Return, Percent		25.02%	24.21%
S&P 500® VIX Mid-Term Futures Inverse Daily Index (reflects no deduction for fees, expenses or taxes)
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	S&P 500® VIX Mid-Term Futures Inverse Daily Index (reflects no deduction for fees, expenses or taxes)
Average Annual Return, Percent		7.51%		32.46%
S&P 500® Total Return Index (reflects no deduction for fees, expenses or taxes)
Prospectus [Line Items]
Average Annual Return, Label [Optional Text]	S&P 500® Total Return Index (reflects no deduction for fees, expenses or taxes)
Average Annual Return, Percent		25.02%		24.47%