STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Operating activities
Net loss	$ (1,156,860)	$ (1,333,292)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	39,754	35,539
Impairment of fixed assets		29,284
Gain on customer credits		(85,719)
Provision for bad debts	764	(249)
Provision for obsolete and slow moving inventory	1,727	68,343
Amortization of deferred financing costs included in interest expense		503
Compensation expense on stock-based arrangements with employees, consultants, vendors and investors	148,702	181,297
Changes in operating assets and liabilities:
Accounts receivable	(23,935)	(41,777)
Inventories	4,366	55,669
Prepaid expenses and other current assets	(7,819)	14,040
Other noncurrent assets	10,147
Accounts payable	27,345	(6,930)
Accrued liabilities	18,770	22,381
Deferred compensation	113,135	102,970
Net cash used in operating activities	(823,904)	(957,941)
Investing activities
Capitalized patent costs	(41,553)	(92,337)
Purchases of equipment	(29,169)	(35,508)
Net cash used in investing activities	(70,722)	(127,845)
Financing activities
Proceeds from exercise of stock options	24,383
Proceeds from issuance of notes payable to stockholders	745,125	1,115,205
Proceeds from stockholder loan	25,000	25,000
Payment of capital lease obligations	(8,097)	(7,428)
Net cash provided by financing activities	786,411	1,132,777
Net increase / (decrease) in cash	(108,215)	46,991
Cash at beginning of year	161,503	114,512
Cash at end of year	53,288	161,503
Supplemental cash flow information
Cash paid for interest	237,377	202,665
Cash paid for taxes
Noncash investing and financing activities
Stock options issued in lieu of payment, for accrued interest		9,118
Common stock returned by related party	$ 294