Net (Loss) Income Per Share - Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Net (loss) income (numerator):
Net (loss) income	$ (6,271)	$ (7,464)	$ 5,140
Shares (denominator)
Weighted average number of common shares outstanding used in basic computation (in shares)	20,596,022	20,395,959	20,274,786
Common shares issuable upon the vesting of restricted stock (in shares)	0	0	54,091
Common shares issuable upon conversion of preferred shares (in shares)	0	0	10,125
Shares used in diluted computation (in shares)	20,596,022	20,395,959	20,339,002
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.30)	$ (0.37)	$ 0.25
Diluted (in dollars per share)	$ (0.30)	$ (0.37)	$ 0.25