Condensed Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net loss	$ (2,279,864)	$ (1,926,231)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	96,546	185,821
Amortization of right-of-use assets	54,640	243,843
Stock based compensation	194,601	313,768
(Recovery of) provision for accounts receivable allowances	(112,308)	3,207
Provision for inventory reserves	9,578	23,957
Changes in operating assets and liabilities:
Accounts receivable	(817,929)	(794,418)
Inventories	2,808,903	1,151,227
Prepaid expenses and other current assets	44,602	(713,641)
Operating lease liabilities	(54,506)	(269,177)
Accounts payable and accrued expenses	3,262,168	456,695
Net cash provided by (used in) operating activities	3,206,431	(1,324,949)
Investing activities:
Certification costs incurred and capitalized	(308,000)	(135,000)
Purchases of plant and equipment	(71,910)	(90,398)
Net cash used in investing activities	(379,910)	(225,398)
Financing activities:
Net payments to bank credit lines	0	(1,741,272)
Proceeds from debt	583,300	0
Net proceeds from private placement offering	3,163,370	4,942,609
Proceeds from stock option exercises	412,050	13,850
Net cash provided by financing activities	4,158,720	3,215,187
Net increase in cash	6,985,241	1,664,840
Cash, cash equivalents, and restricted cash - beginning	1,366,893	125,982
Cash, cash equivalents, and restricted cash - ending	8,352,134	1,790,822
Supplemental disclosures of cash flow information:
Cash paid during the period for: interest	8,432	48,405
Cash paid during the period for: income taxes	12,672	20,677
Total Cash	$ 8,352,134	$ 125,982