CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock	Additional Paid in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
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)
Unrealized loss on debt securities	0
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 vested restricted stock	(161,244)		(161,244)
Proceeds from exercise of options	1,569		1,569
Sale of common stock, net (in shares)		19,015,151
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)
Beginning balance (in shares) at Dec. 31, 2021		118,747,447
Beginning balance at Dec. 31, 2021	32,807,995	$ 118,748	176,586,529	(143,951,019)	$ 53,737
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,089,263)
Unrealized loss on debt securities	(98,156)				(98,156)
Stock-based compensation	671,158		671,158
Stock issued for vested restricted stock awards (in shares)		1,059,755
Stock issued for vested restricted stock awards	0	$ 1,060	(1,060)
Shares withheld for taxes on vested restricted stock	(128,520)		(128,520)
Stock warrants issued for referral agreement	12,483		12,483
Ending balance (in shares) at Mar. 31, 2022		119,807,202
Ending balance at Mar. 31, 2022	$ 31,175,697	$ 119,808	$ 177,140,590	$ (146,040,282)	$ (44,419)