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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2021 | Mar. 31, 2021
Income Tax Disclosure [Line Items] |  |  |
Net operating loss carryforwards, no expiration | $ 45.0 | $ 45.0 |
Federal and State [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred tax expenses | 0.2 | 0.3 |
Federal [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred tax liability | 2.1 | 2.1 |
Net NOL carryforwards | 35.2 | 35.2 | $ 266.3
Net operating loss carryforwards |  |  | 125.1
Net operating loss carryforwards, no expiration |  |  | 141.2
State [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred tax liability | 1.4 | 1.4 |
Net NOL carryforwards | $ 28.4 | $ 28.4 | 152.3
Net operating loss carryforwards |  |  | 114.4
Net operating loss carryforwards, no expiration |  |  | $ 37.9

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