| Income Taxes (Details Textual) - USD ($) | 3 Months Ended | ||
|---|---|---|---|
| Jun. 30, 2019 | Jun. 30, 2018 | Mar. 31, 2019 | |
| Income Tax Disclosure [Abstract] | |||
| Deferred Tax Assets, Gross | $ 39,000,000 | ||
| Deferred Tax Assets, Valuation Allowance | 39,000,000 | ||
| Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax | 697,000 | $ 697,000 | |
| Income tax benefit (expense) | $ (7,000) | $ 0 | |
| Effective tax rate | (0.30%) | (0.64%) | |
| X | ||||||||||
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- References No definition available. 
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| X | ||||||||||
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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