Consolidated Statements of Operations and Other Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues
Total Revenues	$ 0	$ 2,196
Cost of revenues	0	328
Research and development expenses	1,103	5,284
Selling, general, and administrative expenses	15,723	18,059
Total costs and expenses	16,826	23,671
Loss from Operations	(16,826)	(21,475)
Other Income (Expense)
Gain (loss) on fixed asset disposals	(19)	113
Gain on lease termination	0	525
Interest income	15	594
Other income (expense)	6	1,535
Total Other Income (Expense)	2	2,767
Income Tax Expense	(2)	(2)
Net Loss	$ (16,826)	$ (18,710)
Net loss per common share—basic and diluted	$ (2.44)	$ (2.80)
Weighted average shares used in computing net loss per common share—basic and diluted	6,902,000	6,477,808
Comprehensive Loss:
Net Loss	$ (16,826)	$ (18,710)
Comprehensive Loss	(16,826)	(18,710)
Products and Services [Member]
Revenues
Total Revenues	0	2,055
Collaborations and Licenses [Member]
Revenues
Total Revenues	0	89
Grants [Member]
Revenues
Total Revenues	$ 0	$ 52