CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME
Net sales	$ 3,667,276	$ 4,270,396	$ 11,075,620	$ 11,990,404
Cost of sales	3,352,962	3,299,166	9,238,287	8,871,550
Gross profit	314,314	971,230	1,837,333	3,118,854
Selling, general and administrative	662,675	631,783	2,145,055	2,113,285
(Loss) income from operations	(348,361)	339,447	(307,722)	1,005,569
Other income	185	1,590	21,063	8,605
Interest expense	(69,328)	(88,314)	(218,447)	(273,948)
Total other expense, net	(69,143)	(86,724)	(197,384)	(265,343)
(Loss) income before income taxes	(417,504)	252,723	(505,106)	740,226
Income tax (benefit) expense	(97,734)	34,701	(115,092)	177,104
Net (loss) income	(319,770)	218,022	(390,014)	563,122
Other comprehensive (loss) income, before tax:
Foreign currency translation adjustments	9	18	(329)	(2,402)
Other comprehensive (loss) income, net of tax	9	18	(329)	(2,402)
Comprehensive (loss) income	$ (319,761)	$ 218,040	$ (390,343)	$ 560,720
Net (loss) income per share basic	$ (0.01)	$ 0.01	$ (0.01)	$ 0.02
Net (loss) income per share diluted	$ (0.01)	$ 0.01	$ (0.01)	$ 0.02
Weighted average number of shares outstanding - Basic	29,254,594	28,858,560	29,254,230	28,835,957
Weighted average number of shares outstanding - Diluted	29,254,594	30,427,218	29,254,230	30,158,509