Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock January 2020 Offering	Common Stock At The Market Offering	Common Stock	APIC January 2020 Offering	APIC At The Market Offering	APIC	Accumulated Deficit	Accumulated Other Comprehensive Gain (Loss)	Non-Controlling Interest	January 2020 Offering	At The Market Offering	Total
Balance at Dec. 31, 2018			$ 6,499			$ 114,883,135	$ (84,580,180)	$ (19,904)	$ (46,604)			$ 30,242,946
Issuance of common stock			3			18,894						18,897
Exercise of stock options						2,122						2,122
Stock-based compensation			320			2,446,771						2,447,091
Other comprehensive income (loss)								8,423				8,423
Net loss							(10,486,346)		(277,640)			(10,763,986)
Balance at Jun. 30, 2019			6,822			117,350,922	(95,066,526)	(11,481)	(324,244)			21,955,493
Balance at Mar. 31, 2019			6,819			116,943,119	(90,295,656)	(28,093)	(150,209)			26,475,980
Issuance of common stock			3			18,894						18,897
Exercise of stock options						2,122						2,122
Stock-based compensation						386,787						386,787
Other comprehensive income (loss)								16,612				16,612
Net loss							(4,770,870)		(174,035)			(4,944,905)
Balance at Jun. 30, 2019			6,822			117,350,922	(95,066,526)	(11,481)	(324,244)			21,955,493
Balance at Dec. 31, 2019			6,757			118,173,843	(104,597,748)	(11,250)	(413,752)			13,157,850
Issuance of common stock	$ 4,000	$ 8,973		$ 4,102,148	$ 36,989,680					$ 4,106,148	$ 36,998,653
Exercise of warrants			1,501			2,740,892						2,742,393
Exchange of warrants			447			772,883						773,330
Stock issuance costs						(1,092,760)						(1,092,760)
Issuance of common stock from vesting of restricted stock awards			328			(328)
Stock-based compensation						1,321,200						1,321,200
Other comprehensive income (loss)								39,294				39,294
Net loss							(10,746,536)		(163,702)			(10,910,238)
Balance at Jun. 30, 2020			22,006			163,007,558	(115,344,284)	28,044	(577,454)			47,135,870
Balance at Mar. 31, 2020			15,627			137,692,553	(110,889,854)	207,554	(495,066)			26,530,814
Issuance of common stock		$ 6,375			$ 25,564,043						$ 25,570,418
Exercise of warrants			4			17,780						17,784
Stock issuance costs						(639,826)						(639,826)
Stock-based compensation						373,008						373,008
Other comprehensive income (loss)								(179,510)				(179,510)
Net loss							(4,454,430)		(82,388)			(4,536,818)
Balance at Jun. 30, 2020			$ 22,006			$ 163,007,558	$ (115,344,284)	$ 28,044	$ (577,454)			$ 47,135,870