Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net loss	$ (455,971)	$ (793,569)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	60,646	69,740
Stock based compensation expense	14,508	39,449
Inventory net realizable adjustment	(543)	(12,665)
Provision for income tax withholding	1,673	1,863
Right-of-use assets	33,744
PIK interest, net	57,256	44,787
Change in:
Accounts receivable, net	54,869	(55,858)
Inventories	(73,655)	(94,614)
Prepaid expenses and other current assets	39,248	(19,456)
Trade accounts payable and other current liabilities and lease liabilities payable	(45,939)	52,509
Net cash used in operating activities	(314,164)	(767,814)
Cash flows from investing activities:
Purchases of property and equipment		(13,938)
Payments for patents and trademarks	(9,808)	(45,374)
Net cash used in investing activities	(9,808)	(59,312)
Cash flows from financing activities:
Proceeds from exercise of stock options		87,600
Proceeds from long-term notes	200,000	200,000
Net cash provided by financing activities	200,000	287,600
Net decrease in cash	(123,972)	(539,526)
Cash, beginning of year	486,521	1,164,057
Cash, end of period	362,549	624,531
Cash paid for:
Income Taxes	2,122	4,610
Non Cash Investing and Financing Activity:
Conversion of Series C Convertible Preferred Stock and related dividends into common stock		$ 36,529