Leases (Details 3) - USD ($) $ in Thousands	Mar. 31, 2020	Apr. 01, 2019
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Operating Lease, Right-of-Use Asset	$ 628	$ 1,300
Operating Lease, Liability, Current	339
Operating Lease, Liability	589
Right-of-use assets on operating leases, net [Member]
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Operating Lease, Right-of-Use Asset	628
Accrued Liabilities [Member]
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Operating Lease, Liability, Current	339
Other Noncurrent Liabilities [Member]
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Operating Lease, Liability, Noncurrent	250
Liabilities, Total [Member]
ScheduleOfClassificationOfRightOfUseAssetsAndLeaseLiabilities [Line Items]
Operating Lease, Liability	$ 589	$ 1,200