CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Net loss	$ (937,483)	$ (3,206,680)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	37,846	38,112
Provision for inventory obsolescence	45,000	25,000
Amortization of deferred financing costs	0	2,714
Change in fair value of common stock warrant	0	(90,000)
Non-cash stock-based compensation	13,177	15,815
Changes in assets and liabilities:
Decrease in accounts receivable	325,496	489,105
Decrease (increase) in inventories	462,770	(273,198)
Decrease in prepaid expenses & other assets	16,911	108,582
Increase in restricted cash for appeal bond	(2,007)	0
(Decrease) increase in accounts payable and other accrued expenses	(225,114)	284,611
Decrease in federal and state taxes	0	(4,105)
Decrease in accrued payroll, vacation pay & withholdings	(84,275)	(110,397)
Increase (decrease) increase in deferred revenues	242,963	(64,420)
Increase in accrued legal damages	84,654	2,100,000
Net cash used in operating activities	(20,062)	(684,861)
Cash flows from investing activities:
Purchases of equipment	0	(53,402)
Net cash used in investing activities	0	(53,402)
Cash flows from financing activities:
Proceeds from line of credit	0	800,000
Repayment of line of credit	(160,000)	0
Repayment of long-term debt	(2,124)	(216,313)
Proceeds from short-swing profits from an investor	156,175	0
Repayment of capitalized lease obligations	(3,358)	(3,062)
Net cash (used in) provided by financing activities	(9,307)	580,625
Net decrease in cash and cash equivalents	(29,369)	(157,638)
Cash and cash equivalents at beginning of period	307,812	287,873
Cash and cash equivalents at end of period	278,443	130,235
Supplemental cash flow information:
Taxes paid	0	5,000
Interest paid	$ 28,278	$ 36,477