CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net sales	$ 1,787,165	$ 5,076,029	$ 5,329,242	$ 10,418,398
Cost of sales	1,387,295	3,250,441	3,688,082	6,716,157
Gross margin	399,870	1,825,588	1,641,160	3,702,241
Operating expenses:
Selling, general and administrative	626,395	687,013	1,332,681	1,460,042
Litigation expenses	43,333	188,125	425,845	326,840
Legal damages	2,100,000	0	2,100,000	0
Engineering, research and development	529,667	583,771	1,144,940	1,168,648
Total operating expenses	3,299,395	1,458,909	5,003,466	2,955,530
(Loss) income from operations	(2,899,525)	366,679	(3,362,306)	746,711
Other income (expense):
Proceeds from life insurance	0	0	92,678	0
Amortization of deferred financing costs	(1,357)	(1,357)	(2,714)	(2,713)
Change in fair value of common stock warrants	(5,000)	34,000	90,000	251,203
Interest expense	(14,707)	(17,507)	(24,338)	(35,333)
Total other (expense) income	(21,064)	15,136	155,626	213,157
(Loss) income before income taxes	(2,920,589)	381,815	(3,206,680)	959,868
Income tax expense	0	109,760	0	277,504
Net (loss) income	$ (2,920,589)	$ 272,055	$ (3,206,680)	$ 682,364
Basic (loss) income per common share (in Dollars per share)	$ (0.90)	$ 0.08	$ (0.98)	$ 0.21
Diluted (loss) income per common share (in Dollars per share)	$ (0.90)	$ 0.07	$ (0.98)	$ 0.20
Weighted average shares outstanding:
Basic (in Shares)	3,255,887	3,255,887	3,255,887	3,255,887
Diluted (in Shares)	3,255,887	3,266,133	3,255,887	3,267,192