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)		3,000
Issuance of common stock (Note 10) (in shares)		1,097,099
Issuance of common stock (Note 10)	5,500		5,500
Stock-based compensation	1,008		1,008
Other comprehensive loss	(61)				(61)
Net (loss) income	(1,072)			(1,072)
Ending balance (in shares) at Sep. 30, 2021		41,664,020
Ending balance at Sep. 30, 2021	(19,546)	$ 4	150,843	(169,475)	(918)
Beginning balance (in shares) at Jun. 30, 2021		40,662,020
Beginning balance at Jun. 30, 2021	$ (31,003)	$ 4	145,332	(175,455)	(884)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)	0
Restricted stock units vested (in shares)		2,000
Issuance of common stock (Note 10) (in shares)		1,000,000
Issuance of common stock (Note 10)	$ 5,000		5,000
Stock-based compensation	511		511
Other comprehensive loss	(34)				(34)
Net (loss) income	5,980			5,980
Ending balance (in shares) at Sep. 30, 2021		41,664,020
Ending balance at Sep. 30, 2021	$ (19,546)	$ 4	150,843	(169,475)	(918)
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)	13,422	13,422
Stock options exercised	$ 56		56
Restricted stock units vested (in shares)		35,180
Restricted stock units surrendered due to net share settlement to satisfy employee tax liability (in shares)		(1,568)
Restricted stock units surrendered due to net share settlement to satisfy employee tax liability	(6)		(6)
Issuance of common stock (Note 10) (in shares)		3,199,999
Issuance of common stock (Note 10)	15,720	$ 1	15,719
Stock-based compensation	1,219		1,219
Other comprehensive loss	(657)				(657)
Net (loss) income	$ (11,348)			(11,348)
Ending balance (in shares) at Sep. 30, 2022	56,626,340	56,626,340
Ending balance at Sep. 30, 2022	$ 36,345	$ 6	228,178	(189,986)	(1,853)
Beginning balance (in shares) at Jun. 30, 2022		56,588,042
Beginning balance at Jun. 30, 2022	$ 41,938	$ 6	227,512	(183,991)	(1,589)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)	9,061	9,061
Stock options exercised	$ 36		36
Restricted stock units vested (in shares)		30,805
Restricted stock units surrendered due to net share settlement to satisfy employee tax liability (in shares)		(1,568)
Restricted stock units surrendered due to net share settlement to satisfy employee tax liability	(6)		(6)
Stock-based compensation	636		636
Other comprehensive loss	(264)				(264)
Net (loss) income	$ (5,995)			(5,995)
Ending balance (in shares) at Sep. 30, 2022	56,626,340	56,626,340
Ending balance at Sep. 30, 2022	$ 36,345	$ 6	$ 228,178	$ (189,986)	$ (1,853)