CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities
Net loss	$ (27,871)	$ (558,569)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	20,611	15,887
Provision for slow moving inventory	13,610	121,998
Compensation expense on stock-based arrangements with employees and consultants	24,733	21,397
Changes in operating assets and liabilities:
Accounts receivable	(297,874)	(72,538)
Inventories	(125,769)	86,629
Prepaid expenses and other current assets	(78,219)	(1,798)
Other assets	850
Sales incentives	(99,128)
Accounts payable	145,910	(4,527)
Deferred compensation	(48,732)	7,819
Accrued liabilities	57,930	27,994
Net cash used in operating activities	(413,949)	(355,708)
Investing activities
Capitalized patent costs	(55,279)	(33,703)
Purchases of property and equipment		(5,245)
Net cash used in investing activities	(55,279)	(38,948)
Financing activities
Proceeds from issuance of notes payable to stockholders	601,273	440,000
Repayment of note payable to stockholder		(50,000)
Payment of capital lease obligations	(1,876)	(1,878)
Net cash provided by financing activities	599,397	388,122
Net increase / (decrease) in cash	130,169	(6,534)
Cash at beginning of period	54,438	12,806
Cash at end of period	184,607	6,272
Supplemental cash flow information:
Cash paid for interest	109,167	120,669
Forgiveness of stockholder loan and accrued interest		$ 26,373