Condensed Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,895,651)	$ (1,902,505)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	468,881	499,899
Amortization	105,764	27,445
Stock based compensation	204,561	10,138
Net gain on sale and disposal of equipment	(4,800)	(2,325)
Loss on intangible asset abandonment	0	16,906
Changes in working capital components:
Trade receivables	244,037	1,017,501
Inventories	(4,542)	24,723
Prepaid expenses and other assets	(57,548)	746,216
Income tax receivable	214,120	(240,082)
Accounts payable	1,156,032	(302,512)
Accrued expenses	134,614	(525,521)
Net cash provided by (used in) operating activities	565,468	(630,117)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property equipment	(13,657)	(149,916)
Proceeds from sales of equipment	4,800	18,297
Purchases of intangible assets	(10,021)	(12,976)
Proceeds on sale of short-term investments	0	2,205,000
Net cash (used in) provided by investing activities	(18,878)	2,060,405
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from paycheck protection program loan	0	1,214,500
Payment on long-term debt	(2,773,235)	(107,554)
Proceeds from exercise of stock options	33,647	0
Net cash (used in) provided by financing activities	(2,739,588)	1,106,946
NET (DECREASE) INCREASE IN CASH	(2,192,998)	2,537,234
CASH AT BEGINNING OF PERIOD	3,693,845	963,649
CASH AT END OF PERIOD	1,500,847	3,500,883
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest	24,089	56,834
Net cash received (paid for) income taxes, net	$ 208,562	$ (8,082)