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, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]    
Estimated transition tax liability $ 4,008,000  
Tax Act impact on U.S. deferred tax assets and liabilities (provisional) 0 $ 6,030,000
Foreign tax net operating loss carry-forwards 5,046,000  
Foreign tax net operating loss carry-forwards, potentially carried forward indefinitely 3,579,000  
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