Intangible Assets - Expected Future Amortization Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019
Expected future amortization expense of intangible assets
2020 (remainder of fiscal year)	$ 131
Intangible Assets, Net	$ 131	$ 187

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant