CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock	Additional Paid in Capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Income
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)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(7,304,569)			(7,304,569)
Stock-based compensation	858,683		858,683
Cancellation of treasury stock	0	$ (376)	(1,396,183)		1,396,559
Stock issued for vested restricted stock awards (in shares)		1,020,882
Stock issued for vested restricted stock awards	0	$ 1,020	(1,020)
Sale of common stock, net of issuance cost (in shares)		42,168,936
Sale of common stock, net of issuance cost	16,432,190	$ 42,169	16,390,021
Shares withheld for taxes on vested restricted stock	(74,550)		(74,550)
Convertible Note Conversion (in shares)		3,000,000
Convertible Note Conversion	923,810	$ 3,000	920,810
Unrealized gain on debt securities	0
Ending balance (in shares) at Dec. 31, 2020		98,035,829
Ending balance at Dec. 31, 2020	25,289,114	$ 98,036	161,541,448	(136,350,370)	0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(7,600,649)			(7,600,649)
Stock-based compensation	2,179,254		2,179,254
Stock issued for vested restricted stock awards (in shares)		1,696,467
Stock issued for vested restricted stock awards	0	$ 1,696	(1,696)
Sale of common stock, net of issuance cost (in shares)		19,015,151
Sale of common stock, net of issuance cost	13,137,500	$ 19,016	13,118,484
Shares withheld for taxes on vested restricted stock	(272,049)		(272,049)
Unrealized gain on debt securities	53,737					53,737
Proceeds from exercise of options	1,569		1,569
Stock warrants issued for referral agreement	19,519		19,519
Ending balance (in shares) at Dec. 31, 2021		118,747,447
Ending balance at Dec. 31, 2021	$ 32,807,995	$ 118,748	$ 176,586,529	$ (143,951,019)	$ 0	$ 53,737