CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($)	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME
Net sales	$ 3,282,525	$ 4,334,268
Cost of sales	2,585,511	3,224,767
Gross profit	697,014	1,109,501
Selling, general and administrative	793,362	741,413
(Loss) income from operations	(96,348)	368,088
Other income	652	19,430
Interest expense	(57,898)	(76,523)
Total other expense, net	(57,246)	(57,093)
(Loss) income before income taxes	(153,594)	310,995
Income tax (benefit) expense	(37,360)	90,218
Net (loss) income	(116,234)	220,777
Other comprehensive loss:
Foreign currency translation adjustments	(97)	(179)
Other comprehensive loss, net of tax	(97)	(179)
Comprehensive (loss) income	$ (116,331)	$ 220,598
Net (loss) income per share - basic	$ (0.01)	$ 0.01
Net (loss) income per share - diluted	$ (0.01)	$ 0.01
Weighted average number of shares outstanding - basic	29,359,921	29,253,495
Weighted average number of shares outstanding - diluted	29,359,921	30,711,007