Consolidated Statements of Income - USD ($)	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net Sales	$ 46,482,998	$ 60,808,050
Cost of Goods Sold	34,709,799	45,135,272
Gross Profit	11,773,199	15,672,778
Operating Expenses
Selling expenses	5,117,235	4,875,238
General and administrative expenses	5,790,019	6,371,541
Bad debt (recovery) expense	(442,671)	3,203,677
Depreciation	259,662	219,968
Total Operating Expenses	10,724,245	14,670,424
Income from Operations	1,048,954	1,002,354
Other Expenses
Interest expense	(244,593)	(273,385)
Finance costs	(13,334)	(31,606)
Total Other Expenses	(257,927)	(304,991)
Income Before Income Tax Provision	791,027	697,363
Income Tax Provision	(159,480)	(544,877)
Net Income	$ 631,547	$ 152,486
Net Income per Common Share
Basic	$ 0.02	$ 0.00
Diluted	$ 0.02	$ 0.00
Weighted Average Common and Common Equivalent Shares:
Basic	38,360,883	38,274,432
Diluted	39,244,250	39,553,649