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Consolidated Statements of Changes in Stockholder's Equity / (Deficit) - USD ($)
Total
Common Stock [Member]
Paid-in Capital [Member]
Accumulated Deficit [Member]
Non-controlling Interest [Member]
Beginning Balance at Dec. 31, 2018 $ (41,196,536) $ 922 $ 217,993,953 $ (239,882,345) $ (19,309,066)
Share-based compensation 72,399 1 72,398    
Net (loss) (6,111,133)     (3,942,168) (2,168,965)
Ending Balance at Jun. 30, 2019 (47,235,270) 923 218,066,351 (243,824,513) (21,478,031)
Beginning Balance at Mar. 31, 2019 (43,539,943) 922 218,016,953 (241,050,231) (20,507,587)
Share-based compensation 49,399 1 49,398    
Net (loss) (3,744,726)     (2,774,282) (970,444)
Ending Balance at Jun. 30, 2019 (47,235,270) 923 218,066,351 (243,824,513) (21,478,031)
Beginning Balance at Dec. 31, 2019 (53,297,417) 948 217,027,057 (250,322,307) (24,003,115)
Share-based compensation 488,926 6 488,920    
Fair value of warrants issued 1,080,260   1,080,260    
Net (loss) (10,167,247)     (6,996,598) (3,170,649)
Ending Balance at Jun. 30, 2020 (61,895,478) 954 222,596,237 (257,318,905) (27,173,764)
Beginning Balance at Mar. 31, 2020 (56,461,562) 954 222,207,627 (253,220,282) (25,449,861)
Share-based compensation 105,162   105,162    
Fair value of warrants issued 283,448   283,448    
Net (loss) (5,822,526)     (4,098,623) (1,723,903)
Ending Balance at Jun. 30, 2020 $ (61,895,478) $ 954 $ 222,596,237 $ (257,318,905) $ (27,173,764)