Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2019	$ 209,299	$ 46,496,330	$ (40,596,638)	$ 6,108,991
Beginning balance, shares at Dec. 31, 2019	20,929,928
Net loss			(751,879)	(751,879)
Stock option exercises	$ 3,468	194,190		197,658
Stock option exercise, shares	346,834
Stock-based compensation		127,053		127,053
Ending balance, value at Mar. 31, 2020	$ 212,767	46,817,573	(41,348,517)	5,681,823
Ending balance, shares at Mar. 31, 2020	21,276,762
Beginning balance, value at Dec. 31, 2019	$ 209,299	46,496,330	(40,596,638)	6,108,991
Beginning balance, shares at Dec. 31, 2019	20,929,928
Net loss				(2,279,864)
Stock-based compensation				194,601
Ending balance, value at Jun. 30, 2020	$ 237,814	50,237,836	(42,876,502)	7,599,148
Ending balance, shares at Jun. 30, 2020	23,781,431
Beginning balance, value at Mar. 31, 2020	$ 212,767	46,817,573	(41,348,517)	5,681,823
Beginning balance, shares at Mar. 31, 2020	21,276,762
Net loss			(1,527,985)	(1,527,985)
Private investment offering, net of offering costs of $237,030	$ 22,371	3,140,999		3,163,370
Private investment offering, net of offering costs of $237,030, shares	2,237,103
Stock option exercises	$ 2,676	211,716		214,392
Stock option exercise, shares	267,566
Stock-based compensation		67,548		67,548
Ending balance, value at Jun. 30, 2020	$ 237,814	50,237,836	(42,876,502)	7,599,148
Ending balance, shares at Jun. 30, 2020	23,781,431
Beginning balance, value at Dec. 31, 2020	$ 350,749	64,526,664	(57,086,943)	7,790,470
Beginning balance, shares at Dec. 31, 2020	35,074,922
Net loss			(545,520)	(545,520)
Stock option exercises	$ 2,879	376,268		379,147
Stock option exercise, shares	287,932
Stock-based compensation		404,718		404,718
Ending balance, value at Mar. 31, 2021	$ 353,628	65,307,650	(57,632,463)	8,028,815
Ending balance, shares at Mar. 31, 2021	35,362,854
Beginning balance, value at Dec. 31, 2020	$ 350,749	64,526,664	(57,086,943)	7,790,470
Beginning balance, shares at Dec. 31, 2020	35,074,922
Net loss				(2,099,431)
Stock-based compensation				615,842
Ending balance, value at Jun. 30, 2021	$ 356,350	65,858,315	(59,186,374)	7,028,291
Ending balance, shares at Jun. 30, 2021	35,631,239
Beginning balance, value at Mar. 31, 2021	$ 353,628	65,307,650	(57,632,463)	8,028,815
Beginning balance, shares at Mar. 31, 2021	35,362,854
Net loss			(1,553,911)	(1,553,911)
Stock option exercises	$ 2,722	339,541		342,263
Stock option exercise, shares	268,385
Stock-based compensation		211,124		211,124
Ending balance, value at Jun. 30, 2021	$ 356,350	$ 65,858,315	$ (59,186,374)	$ 7,028,291
Ending balance, shares at Jun. 30, 2021	35,631,239