Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Share-Based Payment Arrangement, Nonemployee [Member] Common Stock [Member]	Share-Based Payment Arrangement, Nonemployee [Member] Additional Paid-in Capital [Member]	Share-Based Payment Arrangement, Nonemployee [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2021				8,403,869
Balance at Dec. 31, 2021				$ 841	$ 64,019,513	$ (48,348,491)	$ 15,671,863
Stock-based compensation				$ 0	106,738	0	106,738
Net loss						(2,771,591)	(2,771,591)
Stock issued to nonemployees (in shares)	11,327
Stock issued to nonemployees	$ 1	$ 41,003	$ 41,004
Balance (in shares) at Mar. 31, 2022				8,415,196
Balance at Mar. 31, 2022				$ 842	64,167,254	(51,120,082)	13,048,014
Balance (in shares) at Dec. 31, 2022				8,481,848
Balance at Dec. 31, 2022				$ 849	64,533,074	(63,799,379)	734,544
Sale of common stock and accompanying pre-funded warrants, net (in shares)				930,000
Sale of common stock and accompanying pre-funded warrants, net				$ 93	3,741,790	0	3,741,883
Exercise of warrants (in shares)				1,141,696
Exercise of warrants				$ 114	0	0	114
Stock-based compensation				$ 0	91,668	0	91,668
Net loss						(5,007,085)	(5,007,085)
Balance (in shares) at Mar. 31, 2023				10,553,544
Balance at Mar. 31, 2023				$ 1,056	$ 68,366,532	$ (68,806,464)	$ (438,876)