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Consolidated Statements of Changes in Stockholders' Equity / (Deficit) - USD ($)
Total
Common Stock [Member]
Paid-in Capital [Member]
Accumulated Deficit [Member]
Non-controlling Interest [Member]
Beginning Balance at Dec. 31, 2017 $ (37,982,936) $ 847 $ 212,103,344 $ (234,709,910) $ (15,377,217)
Share-based compensation 103,904   103,904    
Net (loss) (2,641,384)     (1,744,762) (896,622)
Ending Balance at Mar. 31, 2018 (40,520,416) 847 212,207,248 (236,454,672) (16,273,839)
Beginning Balance at Dec. 31, 2018 (41,196,537) 922 217,993,953 (239,882,346) (19,309,066)
Share-based compensation 23,000   23,000    
Net (loss) (2,366,407)     (1,167,886) (1,198,521)
Ending Balance at Mar. 31, 2019 $ (43,539,944) $ 922 $ 218,016,953 $ (241,050,232) $ (20,507,587)