Consolidated Statements of Operations - USD ($)	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net sales	$ 10,024,588	$ 18,745,456
Cost of sales	6,894,779	12,061,341
Gross margin	3,129,809	6,684,115
Operating expenses:
Selling, general and administrative	2,491,816	2,581,085
Litigation expenses	610,125	1,244,639
Legal damages	2,159,000	2,800,000
Engineering, research and development	2,275,508	2,430,322
Total operating expenses	7,536,449	9,056,046
Loss from operations	(4,406,640)	(2,371,931)
Other income (expense):
Proceeds from life insurance	92,678	0
Interest income	866	0
Amortization of deferred financing costs	(3,363)	(5,429)
Change in fair value of common stock warrants	95,000	321,203
Interest expense	(59,787)	(40,431)
Interest expense - judgment	(100,960)	0
Interest expense - related parties	(3,605)	(18,736)
Total other income	20,829	256,607
Loss before income taxes	(4,385,811)	(2,115,324)
(Benefit) provision for income taxes	(63,500)	2,644,115
Net loss	(4,322,311)	(4,759,439)
Preferred dividends	(90,667)	0
Net loss attributable to common shareholders	$ (4,412,978)	$ (4,759,439)
Basic loss per common share (in Dollars per share)	$ (1.36)	$ (1.46)
Diluted loss per common share (in Dollars per share)	$ (1.36)	$ (1.49)
Weighted average number of shares outstanding
Basic (in Shares)	3,255,887	3,255,887
Diluted (in Shares)	3,255,887	3,266,842