Consolidated Statements of Stockholders’ Equity (unaudited) - USD ($)	Total	Common Stock	Additional Paid-in Capital	Stock Subscriptions	Treasury Stock, At Cost	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning balance (shares) at Dec. 31, 2019		178,931,312
Beginning balance at Dec. 31, 2019	$ 27,314,316	$ 1,789	$ 47,154,147	$ 0	$ 0	$ 0	$ (19,841,620)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity based compensation	3,553,790		3,553,790
Stock option exercises (shares)		932,283
Stock option exercises	153,236	$ 8	153,228
Restricted stock issuances and vesting of awards (shares)		125,000
Restricted stock issuances and vesting of awards	236,901	$ 1	236,900
Stock subscriptions receivable related to stock option exercises (shares)		180,416
Stock subscriptions receivable related to stock option exercises	0	$ 2	8,473	(8,475)
Stock subscriptions collected related to stock option exercises	8,475			8,475
Repurchase of common stock (shares)		(35,875)
Repurchase of common stock	(231,582)				(231,582)
Retirement of common stock (shares)		(343,750)
Retirement of common stock	(2,234)	$ (3)	(2,231)
Proceeds from issuance of common stock, net of issuance costs (in shares)		16,289,935
Proceeds from issuance of common stock, net of issuance costs	57,972,752	$ 162	57,972,590
Foreign currency translation adjustment	20,402					20,402
Net Loss	(16,357,774)						(16,357,774)
Ending balance (shares) at Sep. 30, 2020		196,079,321
Ending balance at Sep. 30, 2020	72,668,282	$ 1,959	109,076,897	0	(231,582)	20,402	(36,199,394)
Beginning balance (shares) at Jun. 30, 2020		179,249,866
Beginning balance at Jun. 30, 2020	20,714,194	$ 1,792	48,737,440	0	0	9,885	(28,034,923)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity based compensation	2,052,527		2,052,527
Stock option exercises (shares)		475,395
Stock option exercises	116,131	$ 4	116,127
Restricted stock issuances and vesting of awards (shares)		100,000
Restricted stock issuances and vesting of awards	198,214	$ 1	198,213
Stock subscriptions receivable related to stock option exercises (shares)		0
Stock subscriptions receivable related to stock option exercises	0		0	0
Stock subscriptions collected related to stock option exercises	0			0
Repurchase of common stock (shares)		(35,875)
Repurchase of common stock	(231,582)				(231,582)
Retirement of common stock (shares)		0
Retirement of common stock	0	$ 0	0
Proceeds from issuance of common stock, net of issuance costs (in shares)		16,289,935
Proceeds from issuance of common stock, net of issuance costs	57,972,752	$ 162	57,972,590
Foreign currency translation adjustment	10,517					10,517
Net Loss	(8,164,471)						(8,164,471)
Ending balance (shares) at Sep. 30, 2020		196,079,321
Ending balance at Sep. 30, 2020	72,668,282	$ 1,959	109,076,897	0	(231,582)	20,402	(36,199,394)
Beginning balance (shares) at Dec. 31, 2020		196,926,674
Beginning balance at Dec. 31, 2020	59,958,417	$ 1,970	112,640,974	(69,440)	(875,232)	494,505	(52,234,360)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity based compensation	8,746,439		8,746,439
Stock option exercises (shares)		1,179,669
Stock option exercises	411,422	$ 11	411,411
Restricted stock issuances and vesting of awards (shares)		1,044,164
Restricted stock issuances and vesting of awards	1,980,386	$ 10	1,980,376
Conversion of liability-classified incentive awards to stockholder's equity	9,293,035		9,293,035
Stock subscriptions receivable related to stock option exercises (shares)		169,826
Stock subscriptions receivable related to stock option exercises	0	$ 2	177,442	(177,444)
Stock subscriptions collected related to stock option exercises	208,578			208,578
Repurchase of common stock (shares)		(311,762)
Repurchase of common stock	(1,829,725)	$ (3)			(1,829,722)
Proceeds from issuance of common stock, net of issuance costs (in shares)		4,559,270
Proceeds from issuance of common stock, net of issuance costs	29,997,232	$ 46	29,997,186
Foreign currency translation adjustment	291,094					291,094
Net Loss	(49,246,355)						(49,246,355)
Ending balance (shares) at Sep. 30, 2021		203,567,841
Ending balance at Sep. 30, 2021	59,810,523	$ 2,036	163,246,863	(38,306)	(2,704,954)	785,599	(101,480,715)
Beginning balance (shares) at Jun. 30, 2021		198,320,795
Beginning balance at Jun. 30, 2021	44,907,089	$ 1,984	128,254,415	(43,993)	(1,656,684)	997,956	(82,646,589)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity based compensation	4,233,148		4,233,148
Stock option exercises (shares)		362,369
Stock option exercises	160,001	$ 3	159,998
Restricted stock issuances and vesting of awards (shares)		419,558
Restricted stock issuances and vesting of awards	530,595	$ 4	530,591
Conversion of liability-classified incentive awards to stockholder's equity	0		0
Stock subscriptions receivable related to stock option exercises (shares)		76,559
Stock subscriptions receivable related to stock option exercises	0	$ 1	71,525	(71,526)
Stock subscriptions collected related to stock option exercises	77,213			77,213
Repurchase of common stock (shares)		(170,710)
Repurchase of common stock	(1,048,272)	$ (2)			(1,048,270)
Proceeds from issuance of common stock, net of issuance costs (in shares)		4,559,270
Proceeds from issuance of common stock, net of issuance costs	29,997,232	$ 46	29,997,186
Foreign currency translation adjustment	(212,357)					(212,357)
Net Loss	(18,834,126)						(18,834,126)
Ending balance (shares) at Sep. 30, 2021		203,567,841
Ending balance at Sep. 30, 2021	$ 59,810,523	$ 2,036	$ 163,246,863	$ (38,306)	$ (2,704,954)	$ 785,599	$ (101,480,715)