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CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($)
$ in Thousands
Series B Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Income/(Loss)
Noncontrolling Interest
Total
Beginning balance, shares (in thousands) at Dec. 31, 2018 1,323 20,345          
Beginning balance, amount at Dec. 31, 2018 $ 1 $ 20 $ 85,917 $ (193,204) $ (3,576) $ (4,740) $ 115,582
Stock-based compensation     290       290
Issuance and exercise of warrants, shares (in thousands)   30          
Issuance and exercise of warrants, amount     67       67
Foreign currency translation (loss) gain         58   58
Net loss (9,729) (938) (10,667)
Ending balance, shares (in thousands) at Mar. 31, 2019 1,323 20,375          
Ending balance, amount at Mar. 31, 2019 $ 1 $ 20 86,274 (202,933) (3,518) (5,678) (125,834)
Beginning balance, shares (in thousands) at Dec. 31, 2019 1,323 20,570          
Beginning balance, amount at Dec. 31, 2019 $ 1 $ 21 86,852 (237,421) (3,825) 0 (154,372)
Stock-based compensation     310       310
Issuance and exercise of warrants, shares (in thousands)   113          
Issuance and exercise of warrants, amount     93       93
Foreign currency translation (loss) gain         (668)   (668)
Net loss (12,052) (12,052)
Ending balance, shares (in thousands) at Mar. 31, 2020 1,323 20,683          
Ending balance, amount at Mar. 31, 2020 $ 1 $ 21 $ 87,255 $ (249,473) $ (4,493) $ 0 $ (166,689)