CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2020	$ 10,490	$ 428,704,039	$ (340,465,103)	$ 88,249,426
Balance (in shares) at Dec. 31, 2020	104,902,888
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 0	781,397	0	781,397
Vesting of Restricted Stock Units, net of shares withheld for taxes and retired	$ 6	(59,317)	0	(59,311)
Vesting of Restricted Stock Units, net of shares withheld for taxes and retired (in shares)	61,385
Issuance of common stock, net of offering expenses	$ 1,808	41,910,707	0	41,912,515
Issuance of common stock, net of offering expenses (in shares)	18,080,708
Net loss	$ 0	0	(18,379,941)	(18,379,941)
Balance at Mar. 31, 2021	$ 12,304	471,336,826	(358,845,044)	112,504,086
Balance (in shares) at Mar. 31, 2021	123,044,981
Balance at Dec. 31, 2021	$ 19,581	553,265,706	(412,112,721)	141,172,566
Balance (in shares) at Dec. 31, 2021	195,813,817
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 0	1,641,388	0	1,641,388
Warrants issued in connection with note payable	0	9,569,604	0	9,569,604
Vesting of Restricted Stock Units, net of shares withheld for taxes and retired	$ 54	(442,690)	0	(442,636)
Vesting of Restricted Stock Units, net of shares withheld for taxes and retired (in shares)	533,712
Net loss	$ 0	0	(25,007,857)	(25,007,857)
Balance at Mar. 31, 2022	$ 19,635	$ 564,034,008	$ (437,120,578)	$ 126,933,065
Balance (in shares) at Mar. 31, 2022	196,347,529