Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net loss	$ (148,483)	$ (4,262,478)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	54,038	61,305
Stock based compensation expense	49,372	95,923
Reserve (credit) for inventory obsolescence	12,140	(94,054)
Provision for income tax withholding	9,316	119,958
PIK interest, net	14,107	59,630
Gain on sale of Anti-Noise Products Division		(877,073)
Accrued interest on note receivable	(9,162)	(9,817)
Change in:
Accounts receivable	1,764,734	(105,067)
Inventories	26,968	403,652
Prepaid expenses, other current assets and other assets	2,714	(7,703)
Taxes payable	(45,000)	(32,000)
Trade accounts payable	(1,852,373)	820,894
Repayments of Advance from Revenue Sharing Agreement	(312,067)
Other current liabilities	(1,518,433)	381,103
Short-term deferred revenue	(6,600)	(2,712)
Net cash used in operating activities	(1,958,729)	(3,448,439)
Cash flows from investing activities:
Purchases of property and equipment		(18,443)
Proceeds from the sale of the Anti-Noise Products Division		300,000
Proceeds from the exercise of Stock Options		34,750
Proceeds from repayments of note receivable	312,813
Purchases of patents and trademarks	(10,681)	(12,713)
Net cash provided by investing activities	302,132	303,594
Cash flows from financing activities:
Repayments of long-term notes and PIK interest	(4,112,549)
Proceeds from long-term notes	3,200,000	3,400,000
Net cash (used in) provided by financing activities	(912,549)	3,400,000
Net (decrease) increase in cash	(2,569,146)	255,155
Cash, beginning of year	5,592,554	3,574,530
Cash, end of period	3,023,408	3,829,685
Cash paid for:
Interest	12,548
Income Taxes	124,277	135,930
Non Cash Investing and Financing Activity:
Conversion of Series C Convertible Preferred Stock and related dividends into common stock	13,235
Note Receivable received in connection with the sale of the Anti-Noise Products Division		$ 600,000