Consolidated Statements of Changes in Stockholders’ Equity - USD ($)	Preferred Stock	Common Stock	Additional Paid-in Capital	Treasury Stock	Statutory Reserve	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Mar. 31, 2021		$ 11,333	$ 15,301,268		$ 346,315	$ 40,748,314	$ (15,901)	$ 56,391,329
Balance (in Shares) at Mar. 31, 2021		11,332,974
Stock-based compensation expense for the restricted stock units issued under stock incentive plan			947,079					947,079
Cashless exercise of warrants		$ 1	(1)
Cashless exercise of warrants (in Shares)		1,344
Common stock issued net of stock issuance costs of $730,000		$ 1,000	6,269,000					6,270,000
Common stock issued net of stock issuance costs of $730,000 (in Shares)		1,000,000
Net income						7,919,600		7,919,600
Dividend payments						(2,366,796)		(2,366,796)
Statutory Reserve					33,008	(33,008)
Foreign currency translation gain (loss)							143,046	143,046
Balance at Mar. 31, 2022		$ 12,334	22,517,346		379,323	46,268,110	127,145	69,304,258
Balance (in Shares) at Mar. 31, 2022		12,334,318
Stock-based compensation expense for the restricted stock units issued under stock incentive plan			413,900					413,900
Issuance of common stocks upon vesting of restricted stock units		$ 200	(200)
Issuance of common stocks upon vesting of restricted stock units (in Shares)		200,000
Share repurchase				(1,169,046)				(1,169,046)
Net income						2,419,623		2,419,623
Dividend payments						(2,484,127)		(2,484,127)
Statutory Reserve					31.524	(31,524)
Foreign currency translation gain (loss)							(250,374)	(250,374)
Balance at Mar. 31, 2023		$ 12,534	$ 22,931,046	$ (1,169,046)	$ 410,847	$ 46,172,082	$ (123,229)	$ 68,234,234
Balance (in Shares) at Mar. 31, 2023		12,534,318