Consolidated Statements of Operations - USD ($)	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net Sales	$ 38,500,570	$ 44,198,168
Cost of Goods Sold	30,323,223	34,709,799
Gross Profit	8,177,347	9,488,369
Operating Expenses
Selling expenses	4,286,257	2,832,405
General and administrative expenses	6,564,422	5,790,019
Bad debt expense (recovery)	302,333	(442,671)
Depreciation	269,107	259,662
Total Operating Expenses	11,422,119	8,439,415
(Loss) Income from Operations	(3,244,772)	1,048,954
Other Expenses
Interest expense	(240,709)	(244,593)
Finance costs	(13,333)	(13,334)
Total Other Expenses	(254,042)	(257,927)
(Loss) Income Before Income Tax Benefit (Provision)	(3,498,814)	791,027
Income Tax Benefit (Provision)	641,814	(159,480)
Net (Loss) Income	$ (2,857,000)	$ 631,547
Net (Loss) Income per Common Share
Basic	$ (0.07)	$ 0.02
Diluted	$ (0.07)	$ 0.02
Weighted Average Common and Common Equivalent Shares:
Basic	38,532,889	38,360,883
Diluted	38,532,889	39,244,250