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Consolidated Statements of Changes in Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Deficit [Member]
Total
Beginning balance (in shares) at Dec. 31, 2017 8,895,094        
Beginning balance at Dec. 31, 2017 $ 8,895 $ 126,718,186 $ (213,884) $ (108,532,508) $ 17,980,689
Net loss (10,382,059) (10,382,059)
Other comprehensive income (loss) (360,302) (360,302)
Issuance of common stock, net of expenses (in shares) 3,692,307        
Issuance of common stock, net of expenses $ 3,692 10,612,354 10,616,046
Exercise of warrants for common stock (in shares) 2,500,285        
Exercise of warrants for common stock $ 2,501 5,114,032 5,116,533
Share based compensation (in shares) 11,151        
Share based compensation $ 11 263,385 263,396
Ending balance (in shares) at Dec. 31, 2018 15,098,837        
Ending balance at Dec. 31, 2018 $ 15,099 142,707,957 (574,186) (118,914,567) 23,234,303
Net loss (13,227,642) (13,227,642)
Other comprehensive income (loss) 214,026 214,026
Issuance of common stock, net of expenses (in shares) 6,246,360        
Issuance of common stock, net of expenses $ 6,246 12,389,102 12,395,348
Exercise of warrants for common stock (in shares) 83,564        
Exercise of warrants for common stock $ 84 272,333 272,417
Share based compensation (in shares) 206,604        
Share based compensation $ 206 871,971 872,177
Ending balance (in shares) at Dec. 31, 2019 21,635,365        
Ending balance at Dec. 31, 2019 $ 21,635 156,241,363 (360,160) (132,142,209) 23,760,629
Net loss (16,399,985) (16,399,985)
Other comprehensive income (loss) 92,902 92,902
Issuance of common stock for services (in shares) 20,000        
Issuance of common stock for services $ 20 40,580 40,600
Issuance of common stock, net of expenses (in shares) 33,028,000        
Issuance of common stock, net of expenses $ 33,028 104,592,587 104,625,615
Exercise of warrants for common stock (in shares) 713,449        
Exercise of warrants for common stock $ 713 2,317,996 2,318,709
Share based compensation (in shares) 100,319        
Share based compensation $ 101 436,590 436,691
Ending balance (in shares) at Dec. 31, 2020 55,497,133        
Ending balance at Dec. 31, 2020 $ 55,497 $ 263,629,116 $ (267,258) $ (148,542,194) $ 114,875,161