CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities
Net Income / (loss)	$ 61,884	$ (852,908)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	31,611	24,938
Provision for slow moving inventory	13,611	121,998
Compensation expense on stock-based arrangements with employees and consultants	38,661	31,396
Changes in operating assets and liabilities:
Accounts receivable	(406,060)	48,851
Inventories	(155,337)	139,457
Prepaid expenses and other current assets	(45,075)	(25,297)
Other assets	850
Sales incentives	(99,128)	30,708
Accounts payable	159,053	31,247
Deferred compensation	(32,279)	(8,543)
Accrued liabilities	201,527	27,045
Net cash used in operating activities	(230,682)	(431,108)
Investing activities
Capitalized patent costs	(55,279)	(53,385)
Purchases of property and equipment	(18,026)	(27,845)
Net cash used in investing activities	(73,305)	(81,230)
Financing activities
Proceeds from issuance of notes payable to stockholders	601,273	575,000
Repayment of note payable to stockholder	(250,000)	(50,000)
Payment of capital lease obligations	(2,814)	(2,816)
Net cash provided by financing activities	348,459	522,184
Net increase in cash	44,472	9,846
Cash at beginning of period	54,438	12,806
Cash at end of period	98,910	22,652
Supplemental cash flow information:
Cash paid for interest	109,167	180,317
Forgiveness of stockholder loan and accrued interest		26,373
Addition to leasehold improvement as lease incentive	$ 35,690