Condensed Consolidated Statement of Stockholders' Equity (Deficit) (Unaudited) - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2019	1,597,585	2,768,346
Balance at Dec. 31, 2019	$ 29,069,974	$ 618	$ 18,644,683	$ (54,526,705)	$ (6,811,430)
Net loss	$ 0	$ 0	0	(2,259,483)	(2,259,483)
Issuance of common stock in lieu of deferred compensation (in shares)	0	38,992
Issuance of common stock in lieu of deferred compensation	$ 0	$ 25	424,075	0	424,100
Balance (in shares) at Sep. 30, 2020	1,597,585	2,807,338
Balance at Sep. 30, 2020	$ 29,069,974	$ 643	19,068,758	(56,786,188)	(8,646,813)
Balance (in shares) at Jun. 30, 2020	1,597,585	2,768,346
Balance at Jun. 30, 2020	$ 29,069,974	$ 618	18,644,683	(56,127,100)	(8,411,825)
Net loss	$ 0	$ 0	0	(659,088)	(659,088)
Issuance of common stock in lieu of deferred compensation (in shares)	0	38,992
Issuance of common stock in lieu of deferred compensation	$ 0	$ 25	424,075	0	424,100
Balance (in shares) at Sep. 30, 2020	1,597,585	2,807,338
Balance at Sep. 30, 2020	$ 29,069,974	$ 643	19,068,758	(56,786,188)	(8,646,813)
Balance (in shares) at Dec. 31, 2020		9,231,737
Balance at Dec. 31, 2020		$ 923	63,774,920	(58,310,093)	5,465,750
Stock-based compensation expense		0	44,679	0	44,679
Net loss		$ 0	0	(4,836,923)	(4,836,923)
Issuance of Units in public offering, net (in shares)		4,133,400
Issuance of Units in public offering, net		$ 413	31,497,050	0	31,497,463
Common stock issued in connection with warrant exercises (in shares)		23,849
Common stock issued in connection with warrant exercises		$ 2	98,375	0	98,377
Balance (in shares) at Sep. 30, 2021		13,388,986
Balance at Sep. 30, 2021		$ 1,338	95,415,024	(63,147,016)	32,269,346
Balance (in shares) at Jun. 30, 2021		13,388,986
Balance at Jun. 30, 2021		$ 1,338	95,387,434	(60,867,800)	34,520,972
Stock-based compensation expense		0	27,590	0	27,590
Net loss		$ 0	0	(2,279,216)	(2,279,216)
Balance (in shares) at Sep. 30, 2021		13,388,986
Balance at Sep. 30, 2021		$ 1,338	$ 95,415,024	$ (63,147,016)	$ 32,269,346