Consolidated Statements of Income - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Net Sales	$ 52,919,228	$ 48,856,544	$ 39,308,281
Cost of Goods Sold	39,082,802	36,937,654	30,997,211
Gross Profit	13,836,426	11,918,890	8,311,070
Operating Expenses
Selling expenses	5,035,787	4,656,003	3,104,598
General and administrative expenses	5,648,036	5,153,950	4,507,606
Depreciation	166,025	171,785	130,254
Total Operating Expenses	10,849,848	9,981,738	7,742,458
Income from Operations	2,986,578	1,937,152	568,612
Other Expenses
Interest expense	(189,230)	(261,061)	(253,282)
Financing costs	(74,077)	(74,077)	(52,471)
Total Other Expenses	(263,307)	(335,138)	(305,753)
Income before income tax (provision) benefit	2,723,271	1,602,014	262,859
Income tax (provision) benefit	(1,017,073)	101,376	(92,701)
Net Income	$ 1,706,198	$ 1,703,390	$ 170,158
Income per Common Share
Basic	$ 0.04	$ 0.04	$ 0.00
Diluted	$ 0.04	$ 0.04	$ 0.00
Weighted Average Common and Common Equivalent Shares:
Basic	38,242,535	38,146,391	38,097,226
Diluted	39,422,608	38,597,862	38,602,577