CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Mar. 31, 2022
Accounts receivable, allowances
Accounts receivable, allowances	$ 916	$ 845
Preferred stock
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	51,500,000	51,500,000
Common stock, shares issued (in shares)	18,449,567	15,398,368
Common stock, shares outstanding (in shares)	18,332,553	15,296,735
Treasury stock
Treasury stock, shares (in shares)	117,014	101,633