CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net loss	$ (298,030)	$ (3,540,116)
Adjustments to reconcile net loss to net cash used in operating activities:
Deferred income taxes	0	0
Depreciation and amortization	52,615	53,221
Provision for inventory obsolescence	55,000	50,000
Amortization of deferred financing costs	0	3,363
Change in fair value of common stock warrant	23,000	(95,000)
Non-cash stock-based compensation	18,597	23,180
Changes in assets and liabilities:
Increase in accounts receivable	(1,176,461)	(104,375)
Decrease (increase) in inventories	1,120,658	(151,145)
(Increase) decrease in prepaid expenses & other assets	(92,644)	76,165
Restricted cash for appeal bond	(3,017)	(2,000,000)
(Decrease) increase in accounts payable and other accrued expenses	(783,601)	358,808
Decrease in federal and state taxes	0	(4,105)
Decrease in accrued payroll, vacation pay & withholdings	(132,288)	(131,206)
Decrease in deferred revenues	(31,353)	(68,742)
Increase in accrued legal damages	156,657	2,130,523
Net cash used in operating activities	(1,090,867)	(3,399,429)
Cash flows from investing activities:
Purchases of equipment	0	(89,396)
Net cash used in investing activities	0	(89,396)
Cash flows from financing activities:
Proceeds from line of credit	0	800,000
Repayment of line of credit	(180,000)	0
Proceeds from issuance of preferred stock, net of expenses	987,925	2,960,000
Repayment of long-term debt	(2,124)	(290,419)
Proceeds from short-swing profits from an investor, net of expenses	143,382	0
Repayment of capitalized lease obligations	(5,097)	(4,646)
Net cash provided by financing activities	944,086	3,464,935
Net decrease in cash and cash equivalents	(146,781)	(23,890)
Cash and cash equivalents at beginning of period	307,812	287,873
Cash and cash equivalents at end of period	161,031	263,983
Supplemental cash flow information:
Taxes paid	0	5,000
Interest paid	$ 41,475	$ 50,374