STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Operating activities
Net loss	$ (1,446,090)	$ (1,156,860)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	41,700	$ 39,754
Loss on disposal of fixed assets	4,332
Gain on extinguishment of lease	$ (3,279)
Provision for bad debts		$ 764
Provision for obsolete and slow moving inventory	$ 21,211	1,727
Compensation expense on stock-based arrangements with employees, consultants, vendors and investors	119,413	148,702
Changes in operating assets and liabilities:
Accounts receivable	88,889	(23,935)
Inventories	(250,958)	4,366
Prepaid expenses and other current assets	68,299	(7,819)
Other noncurrent assets		10,147
Accounts payable	(56,753)	27,345
Accrued liabilities	14,507	18,770
Deferred compensation	95,654	113,135
Net cash used in operating activities	(1,303,075)	(823,904)
Investing activities
Capitalized patent costs	(40,005)	(41,553)
Purchases of equipment	(21,919)	(29,169)
Net cash used in investing activities	$ (61,924)	(70,722)
Financing activities
Proceeds from exercise of stock options		24,383
Proceeds from issuance of notes payable to stockholders	$ 1,350,250	745,125
Proceeds from stockholder loan		25,000
Payment of capital lease obligations	$ (4,068)	(8,097)
Net cash provided by financing activities	1,346,182	786,411
Net decrease in cash	(18,817)	(108,215)
Cash at beginning of year	53,288	161,503
Cash at end of year	34,471	53,288
Supplemental cash flow information
Cash paid for interest	$ 278,996	$ 237,377
Cash paid for taxes
Noncash investing and financing activities
Forgiveness of note payable and accrued interest - related party	$ 26,386
Common stock returned by related party		$ 294
Assets acquired from capital lease	$ 15,020