CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($)	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net sales	$ 16,702,558	$ 18,729,994
Cost of sales	12,118,190	14,753,693
Gross profit	4,584,368	3,976,301
Selling, general and administrative	2,746,543	3,009,002
Income from operations	1,837,825	967,299
Other income	41,033	4,267
Interest expense	(354,825)	(412,988)
Total other expense, net	(313,792)	(408,721)
Income before income taxes	1,524,033	558,578
Income tax expense	423,357	824,486
Net income (loss)	1,100,676	(265,908)
Other comprehensive (loss) income, before tax:
Foreign currency translation adjustments	(2,296)	4,908
Other comprehensive (loss) income, net of tax	(2,296)	4,908
Comprehensive income (loss)	$ 1,098,380	$ (261,000)
Net income (loss) per share – basic	$ 0.04	$ (0.01)
Net income (loss) per share – diluted	$ 0.04	$ (0.01)
Weighted average number of shares outstanding – basic	28,878,780	28,824,593
Weighted average number of shares outstanding – diluted	30,293,670	28,824,593