CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net sales	$ 18,550,674	$ 16,853,952
Cost of sales	12,454,542	11,360,206
Gross profit	6,096,132	5,493,746
Selling, general and administrative	4,336,987	3,385,009
Gain from claims assignment settlement	(1,122,287)	0
Income from operations	2,881,432	2,108,737
Other income	8,439	1,229
Interest expense	(644,021)	(752,280)
Total other expense, net	(635,582)	(751,051)
Income before income taxes	2,245,850	1,357,686
Income tax benefit	(2,834,319)	(768)
Net income	5,080,169	1,358,454
Other comprehensive loss, before tax:
Foreign currency translation adjustments	(2,240)	(1,993)
Other comprehensive loss, before tax	(2,240)	(1,993)
Other comprehensive loss, net of tax	(2,240)	(1,993)
Comprehensive income	$ 5,077,929	$ 1,356,461
Net income per share (basic) (in dollars per share)	$ 0.18	$ 0.05
Net income per share (diluted) (in dollars per share)	$ 0.18	$ 0.05
Weighted average number of shares outstanding (basic) (in shares)	27,908,155	26,392,514
Weighted average number of shares outstanding (diluted) (in shares)	28,611,074	26,572,737