Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ 3,044,170	$ (2,892,593)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	85,660	115,824
Stock based compensation	113,167	42,574
Credit for inventory obsolescence	(94,925)	(158,274)
Provision for income tax withholding	115,513	176,136
PIK interest, net	95,968	$ 9,875
Gain on sale of Anti-Noise Products Division	(879,612)
Accrued interest on note receivable	(14,502)
Change in:
Accounts receivable	(1,749,979)	$ (102,370)
Inventories	470,022	423,292
Prepaid expenses, other current assets and other assets	8,475	15,265
Taxes payable	7,000	38,000
Trade accounts payable	1,548,704	259,392
(Repayments of) Advance from Revenue Sharing Agreement	(3,187,933)	3,500,000
Short-term deferred revenue	(2,712)	(2,829)
Other current liabilities	1,172,366	346,861
Net cash provided by operating activities	731,382	1,771,153
Cash flows from investing activities:
Purchases of property and equipment	(18,443)	$ (4,952)
Proceeds from the sale of the Anti-Noise Products Division	300,000
Repayments of note receivable	104,271
Purchases of patents and trademarks	(28,868)	$ (92,093)
Net cash provided by (used) in investing activities	356,960	$ (97,045)
Cash flows from financing activities:
Proceeds from the exercise of stock options	34,750
Proceeds from long-term debt	7,700,000	$ 900,000
Payments of long-term notes and PIK interest	(6,805,068)
Net cash provided by financing activities	929,682	$ 900,000
Net increase in cash	2,018,024	2,574,108
Cash, beginning of year	3,574,530	1,000,422
Cash, end of year	5,592,554	3,574,530
Cash paid for:
Interest	105,368	2,557
Income Taxes	171,191	$ 186,355
Non Cash Investing and Financing Activity:
Note Receivable received in connection with the sale of the Anti-Noise Products Division	$ 600,000