Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Warrants Issued in Connection with Convertible Notes [Member] Common Stock [Member]	Warrants Issued in Connection with Convertible Notes [Member] Additional Paid-in Capital [Member]	Warrants Issued in Connection with Convertible Notes [Member] Retained Earnings [Member]	Warrants Issued in Connection with Convertible Notes [Member]	Warrants Issued for Consulting Fees [Member] Common Stock [Member]	Warrants Issued for Consulting Fees [Member] Additional Paid-in Capital [Member]	Warrants Issued for Consulting Fees [Member] Retained Earnings [Member]	Warrants Issued for Consulting Fees [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2019									1,812,483
Balance at Dec. 31, 2019									$ 182	$ 87,437,661	$ (89,723,016)	$ (2,285,173)
Share-based compensation									0	512,719	0	512,719
Net loss									$ 0	0	(3,370,282)	(3,370,282)
Issuance of common stock pursuant to securities purchase agreements (in shares)									87,500
Issuance of common stock pursuant to securities purchase agreements									$ 8	1,032,492	0	1,032,500
Commitment fee adjustment									0	(900,000)	0	(900,000)
Beneficial conversion feature									$ 0	641,215	0	641,215
Issuance of common stock pursuant to warrant conversion (in shares)									121,500
Issuance of common stock pursuant to warrant conversion									$ 12	1,457,988	0	1,458,000
Conversion of convertible note payable (in shares)									288,461
Conversion of convertible note payable									$ 29	1,499,971	0	1,500,000
Deemed dividends related to down-round features									$ 0	112,686	(112,686)	0
Balance (in shares) at Mar. 31, 2020									2,309,944
Balance at Mar. 31, 2020									$ 231	91,794,732	(93,205,984)	(1,411,021)
Balance (in shares) at Dec. 31, 2019									1,812,483
Balance at Dec. 31, 2019									$ 182	87,437,661	(89,723,016)	(2,285,173)
Net loss												(4,942,991)
Balance (in shares) at Jun. 30, 2020									2,783,719
Balance at Jun. 30, 2020									$ 279	95,560,867	(94,778,693)	782,453
Balance (in shares) at Mar. 31, 2020									2,309,944
Balance at Mar. 31, 2020									$ 231	91,794,732	(93,205,984)	(1,411,021)
Issuance of common stock for directors’ fees (in shares)									2,143
Issuance of common stock for directors’ fees									$ 1	15,006	0	15,007
Legal and commitment fees									0	199,328	0	199,328
Share-based compensation									0	33,177	0	33,177
Net loss									$ 0	0	(1,572,709)	(1,572,709)
Issuance of common stock pursuant to securities purchase agreements (in shares)									31,440
Issuance of common stock pursuant to securities purchase agreements									$ 3	145,330	0	145,333
Conversion of convertible note payable (in shares)									440,192
Conversion of convertible note payable									$ 44	2,288,956	0	2,289,000
Warrants issued	$ 0	$ 1,388,339	$ 0	$ 1,388,339	$ 0	$ 94,655	$ 0	$ 94,655
Legal and accounting									$ 0	(199,328)	0	(199,328)
Balance (in shares) at Jun. 30, 2020									2,783,719
Balance at Jun. 30, 2020									$ 279	95,560,867	(94,778,693)	782,453
Balance (in shares) at Dec. 31, 2020									7,814,572
Balance at Dec. 31, 2020									$ 782	119,844,026	(99,509,689)	20,335,119
Issuance of common stock for directors’ fees (in shares)									2,091
Issuance of common stock for directors’ fees									$ 0	7,510	0	7,510
Legal and commitment fees									$ 0	(2,709)	0	(2,709)
Issuance of restricted common stock to employees (in shares)									1,250
Issuance of restricted common stock to employees									$ 0	0	0	0
Share-based compensation									0	133,638	0	133,638
Net loss									0	0	(851,431)	(851,431)
Legal and accounting									$ (0)	2,709	(0)	2,709
Balance (in shares) at Mar. 31, 2021									7,817,913
Balance at Mar. 31, 2021									$ 782	119,982,465	(100,361,120)	19,622,127
Balance (in shares) at Dec. 31, 2020									7,814,572
Balance at Dec. 31, 2020									$ 782	119,844,026	(99,509,689)	20,335,119
Net loss												(2,013,114)
Balance (in shares) at Jun. 30, 2021									7,819,661
Balance at Jun. 30, 2021									$ 782	120,021,069	(101,522,803)	18,499,048
Balance (in shares) at Mar. 31, 2021									7,817,913
Balance at Mar. 31, 2021									$ 782	119,982,465	(100,361,120)	19,622,127
Issuance of common stock for directors’ fees (in shares)									1,748
Issuance of common stock for directors’ fees									$ 0	5,505	0	5,505
Legal and commitment fees									$ 0	(2,519)	0	(2,519)
Issuance of restricted common stock to employees (in shares)									1,250
Issuance of restricted common stock to employees									$ 0	0	0	0
Share-based compensation									0	35,618	0	35,618
Net loss									$ 0	0	(1,161,683)	(1,161,683)
Restricted stock forfeited (in shares)									(1,250)
Restricted stock forfeited									$ 0	0	0	0
Legal and accounting									$ (0)	2,519	(0)	2,519
Balance (in shares) at Jun. 30, 2021									7,819,661
Balance at Jun. 30, 2021									$ 782	$ 120,021,069	$ (101,522,803)	$ 18,499,048