CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock	Additional Paid in Capital	Accumulated Deficit	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2019		51,846,011
Beginning balance at Dec. 31, 2019	$ 14,453,550	$ 52,223	$ 144,843,687	$ (129,045,801)	$ (1,396,559)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,825,236)			(2,825,236)
Stock-based compensation	208,897		208,897
Stock issued for vested restricted stock awards (in shares)		260,719
Stock issued for vested restricted stock awards	0	$ 261	(261)
Shares withheld for taxes on vest restricted stock	(21,184)		(21,184)
Convertible Note Conversion (in shares)		1,200,000
Convertible Note Conversion	468,667	$ 1,200	467,467
Sale of common stock, net (in shares)		7,046,429
Sale of common stock, net	1,206,788	$ 7,046	1,199,742
Ending balance (in shares) at Mar. 31, 2020		60,353,159
Ending balance at Mar. 31, 2020	13,491,482	$ 60,730	146,698,348	(131,871,037)	$ (1,396,559)
Beginning balance (in shares) at Dec. 31, 2020		98,035,829
Beginning balance at Dec. 31, 2020	25,289,114	$ 98,036	161,541,448	(136,350,370)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,147,268)			(2,147,268)
Stock-based compensation	394,870		394,870
Stock issued for vested restricted stock awards (in shares)		1,467,465
Stock issued for vested restricted stock awards	0	$ 1,467	(1,467)
Shares withheld for taxes on vest restricted stock	(161,244)		(161,244)
Sale of common stock, net (in shares)		19,015,151
Proceeds from exercise of options	1,569		1,569
Sale of common stock, net	13,137,500	$ 19,016	13,118,484
Ending balance (in shares) at Mar. 31, 2021		118,518,445
Ending balance at Mar. 31, 2021	$ 36,514,541	$ 118,519	$ 174,893,660	$ (138,497,638)