Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

v3.20.2
Income Taxes (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Mar. 31, 2020
Income Tax Disclosure [Abstract]          
Deferred Tax Assets, Gross $ 40,800,000   $ 40,800,000    
Deferred Tax Assets, Valuation Allowance 40,800,000   40,800,000    
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax         $ 348,000
Income tax benefit (expense) $ (2,000) $ 0 $ 58,000 $ (7,000)  
Effective tax rate     (0.19%) (0.10%)