Condensed Consolidated Statements of Changes in Stockholders’ Equity (Deficit) (unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Mar. 31, 2021		40,531,996
Beginning balance at Mar. 31, 2021	$ (25,055)	$ 4	$ 144,201	$ (168,403)	$ (857)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)	31,925	31,925
Stock options exercised	$ 134		134
Restricted stock units vested (in shares)		1,000
Issuance of common stock (in shares)		97,099
Issuance of common stock (Note 9)	500		500
Stock-based compensation	497		497
Other comprehensive loss	(27)				(27)
Net loss	(7,052)			(7,052)
Ending balance (in shares) at Jun. 30, 2021		40,662,020
Ending balance at Jun. 30, 2021	$ (31,003)	$ 4	145,332	(175,455)	(884)
Beginning balance (in shares) at Mar. 31, 2022	53,379,307	53,379,307
Beginning balance at Mar. 31, 2022	$ 31,361	$ 5	211,190	(178,638)	(1,196)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)	4,361	4,361
Stock options exercised	$ 20		20
Restricted stock units vested (in shares)		4,375
Issuance of common stock (in shares)		3,199,999
Issuance of common stock (Note 9)	15,720	$ 1	15,719
Stock-based compensation	583		583
Other comprehensive loss	(393)				(393)
Net loss	$ (5,353)			(5,353)
Ending balance (in shares) at Jun. 30, 2022	56,588,042	56,588,042
Ending balance at Jun. 30, 2022	$ 41,938	$ 6	$ 227,512	$ (183,991)	$ (1,589)