Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income/Loss	Accumulated Deficit	Total
Balance at Dec. 31, 2020	$ 30,644	$ 196,949,655	$ (24,337)	$ (193,214,134)	$ 3,741,828
Balance (in shares) at Dec. 31, 2020	30,643,656
Issuance of common stock pursuant to B. Riley At Market Issuance Sales Agreement	$ 9,435	16,480,894			16,490,329
Issuance of common stock pursuant to B. Riley At Market Issuance Sales Agreement (in shares)	9,435,091
Issuance costs associated with B. Riley At Market Issuance Sales Agreement		(544,177)			(544,177)
Exercise of warrants		51			51
Exercise of warrants (in shares)	13
Share-based compensation expense		175,426			175,426
Foreign currency translation adjustment			(7,721)		(7,721)
Net loss				(4,259,546)	(4,259,546)
Balance at Jun. 30, 2021	$ 40,079	213,061,849	(32,058)	(197,473,680)	15,596,190
Balance (in Shares) at Jun. 30, 2021	40,078,760
Balance at Mar. 31, 2021	$ 40,020	212,890,844	(35,675)	(195,576,612)	17,318,577
Balance (in shares) at Mar. 31, 2021	40,020,461
Issuance of common stock pursuant to B. Riley At Market Issuance Sales Agreement	$ 59	94,664			94,723
Issuance of common stock pursuant to B. Riley At Market Issuance Sales Agreement (in shares)	58,299
Issuance costs associated with B. Riley At Market Issuance Sales Agreement		(4,280)			(4,280)
Share-based compensation expense		80,621			80,621
Foreign currency translation adjustment			3,617		3,617
Net loss				(1,897,068)	(1,897,068)
Balance at Jun. 30, 2021	$ 40,079	213,061,849	(32,058)	(197,473,680)	15,596,190
Balance (in Shares) at Jun. 30, 2021	40,078,760
Balance at Dec. 31, 2021	$ 42,873	216,402,890	41,942	(205,765,107)	10,722,598
Balance (in shares) at Dec. 31, 2021	42,873,445
Issuance of common stock to vendors	$ 177	99,824			100,001
Issuance of common stock to vendors (in shares)	176,800
Share-based compensation expense		149,941			149,941
Foreign currency translation adjustment			(30,873)		(30,873)
Net loss				(6,735,781)	(6,735,781)
Balance at Jun. 30, 2022	$ 43,050	216,652,655	11,069	(212,500,888)	4,205,886
Balance (in Shares) at Jun. 30, 2022	43,050,245
Balance at Mar. 31, 2022	$ 42,954	216,531,081	124,592	(210,114,128)	6,584,499
Balance (in shares) at Mar. 31, 2022	42,954,091
Issuance of common stock to vendors	$ 96	49,904			50,000
Issuance of common stock to vendors (in shares)	96,154
Share-based compensation expense		71,670			71,670
Foreign currency translation adjustment			(113,523)		(113,523)
Net loss				(2,386,760)	(2,386,760)
Balance at Jun. 30, 2022	$ 43,050	$ 216,652,655	$ 11,069	$ (212,500,888)	$ 4,205,886
Balance (in Shares) at Jun. 30, 2022	43,050,245