Net (Loss) Income Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Net (loss) income (numerator):
Net (loss) income	$ (8,520)	$ 2,326	$ (42,672)	$ 6,080
Shares (denominator):
Weighted average number of common shares outstanding used in basic computation (in shares)	20,889,124	20,597,807	20,822,270	20,555,544
Common shares issuable upon vesting of restricted stock (in shares)	0	330,885	0	374,492
Common shares issuable upon conversion of preferred shares (in shares)	0	10,125	0	10,125
Weighted average number of common shares outstanding used in diluted computation (in shares)	20,889,124	20,938,817	20,822,270	20,940,161
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.41)	$ 0.11	$ (2.05)	$ 0.30
Diluted (in dollars per share)	$ (0.41)	$ 0.11	$ (2.05)	$ 0.29