Annual report pursuant to Section 13 and 15(d)

Income Taxes Income Taxes - Narrative (Details)

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Income Taxes Income Taxes - Narrative (Details) - USD ($)
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Income Tax Contingency [Line Items]    
Estimated transition tax liability $ 4,007,000  
Tax Act impact on U.S. deferred tax assets and liabilities (provisional)   $ 3,737,000
Deferred Tax Liabilities, Other 1,200  
Foreign tax net operating loss carry-forwards 5,367,000  
Foreign tax net operating loss carry-forwards, potentially carried forward indefinitely 3,873,000  
Unrecognized Tax Benefits, Increase Resulting From Current Period Tax Position, Transition Tax 674,000  
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 463  
Other liabilities- long term    
Income Tax Contingency [Line Items]    
Estimated transition tax liability $ 2,770,000