Consolidated Balance Sheets (Parenthetical) - USD ($)	Mar. 31, 2023	Mar. 31, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful debts, accounts receivable	$ 2,823,000	$ 2,562,000
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	54,987,366	54,788,712
Common stock, shares outstanding	17,169,500	17,569,087
Treasury stock, shares	37,817,866	37,219,625