Leases (Details 3) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Right-of-use assets on operating leases, net	$ 2,771	$ 628
Accrued expenses	375	339
Lease liabilities non-current	2,226	250
Total lease liabilities	2,601	589
Right-of-use assets on operating leases, net [Member]
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Right-of-use assets on operating leases, net	2,771	628
Accrued Expenses [Member]
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Accrued expenses	375	339
Other Noncurrent Liabilities [Member]
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Lease liabilities non-current	$ 2,226	$ 250