Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Allowance for expected credit losses	$ 763	$ 610
Common stock, stated value	$ 0.3	$ 0.3
Common stock, shares authorized	80,000,000	80,000,000
Common stock, shares issued	33,342,288	33,342,288
Common stock, shares outstanding	27,349,322	25,326,626
Treasury shares	5,992,966	6,280,205