CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2019	$ 61,644,052	$ 15,373	$ 160,858,072	$ (99,229,393)
Beginning Balance, Shares at Dec. 31, 2019		15,372,905
Stock-based compensation	1,488,177		1,488,177
Release of deferred stock units		$ 28	(28)
Release of deferred stock units, Shares		28,116
Shares issued for Employee Stock Purchase Plan options	$ 63,149	$ 62	63,087
Shares issued for Employee Stock Purchase Plan options, Shares	62,398	62,398
Sale of common stock, net of issuance costs	$ 3,047,547	$ 2,950	3,044,597
Sale of common stock, net of issuance costs, shares		2,950,000
Warrant issued with note payable	765,678		765,678
Deemed dividend	(205,014)		205,014	(205,014)
Net income	1,034,369			1,034,369
Ending Balance at Dec. 31, 2020	68,042,972	$ 18,413	166,424,597	(98,400,038)
Ending Balance, Shares at Dec. 31, 2020		18,413,419
Stock-based compensation	1,381,717		1,381,717
Release of deferred stock units		$ 8	(8)
Release of deferred stock units, Shares		7,742
Shares issued for Employee Stock Purchase Plan options	$ 108,806	$ 48	108,758
Shares issued for Employee Stock Purchase Plan options, Shares	47,979	47,979
Stock option and warrant exercises	$ 525,617	$ 358	525,259
Stock option and warrant exercises, Shares		358,261
Warrant issued with note payable	535,970		535,970
Deemed dividend	0
Stock issued for seller consideration	1,342,125	$ 219	1,341,906
Stock issued for seller consideration, Shares		218,587
Net income	1,691,057			1,691,057
Ending Balance at Dec. 31, 2021	$ 73,628,264	$ 19,046	$ 170,318,199	$ (96,708,981)
Ending Balance, Shares at Dec. 31, 2021		19,045,988