CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Net sales	$ 3,542,077	$ 5,342,369
Cost of sales	2,300,787	3,465,716
Gross margin	1,241,290	1,876,653
Operating expenses:
Selling, general and administrative	706,286	768,230
Litigation costs	382,512	143,514
Engineering, research and development	615,273	584,877
Total operating expenses	1,704,071	1,496,621
(Loss) income from operations	(462,781)	380,032
Other income (expense):
Proceeds from life insurance	92,678	0
Amortization of deferred financing costs	(1,357)	(1,356)
Change in fair value of common stock warrants	95,000	217,203
Interest expense	(9,631)	(17,826)
Total other income (expense)	176,690	198,021
(Loss) income before income taxes	(286,091)	578,053
Income tax provision	0	167,744
Net (loss) income	$ (286,091)	$ 410,309
Net (loss) income per share:
Basic (loss) income per common share (in Dollars per share)	$ (0.09)	$ 0.13
Diluted (loss) income per common share (in Dollars per share)	$ (0.12)	$ 0.10
Weighted average shares outstanding:
Basic (in Shares)	3,255,887	3,255,887
Diluted (in Shares)	3,266,540	3,274,829