Leases (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Apr. 01, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Leases [Abstract]
Right of use assets, net	$ 7,100	$ 7,217		$ 7,217
Lease liability	9,400	$ 9,531		$ 9,531
Decrease in deferred rent liability	$ 2,300
Weighted average incremental borrowing rate	13.00%	13.00%		13.00%
Weighted average term		5 years 4 months 6 days		5 years 4 months 6 days
Lease rent expense		$ 700	$ 600	$ 1,300	$ 1,300