Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Apr. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 1,532
Lease liability	$ 968
Lessee, operating lease, discount rate	12.90%
Operating lease, weighted average discount rate, percent	12.90%
Operating lease, weighted average remaining lease term	1 year 9 days
Rent expense	$ 1,800
Payments for contractual rent obligations	1,800
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	3,000	$ 3,000
Lease liability	2,400	$ 2,400
Prepaid rent	$ 600