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CONSOLIDATED STATEMENTS OF OPERATIONS (LOSS) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Revenues: |  |
Grant revenue |  | $ 843
Total revenues | $ 0 | 843
Operating expenses: |  |
Research and development | 4,237 | 9,477
General and administrative | 5,254 | 5,516
Total operating expenses | 9,491 | 14,993
Operating loss | (9,491) | (14,150)
Other income (expense): |  |
Foreign exchange gains (losses) | (39) | 273
Interest income | 118 | 37
Other income, net | 949 | 66
Total other income (expense), net | 1,028 | 376
Loss from continuing operations before taxes | (8,463) | (13,774)
Income tax benefit | 993 | 1,983
Net loss | (7,470) | (11,791)
Dividend on convertible exchangeable preferred shares | (201) | (200)
Beneficial conversion feature of Series A convertible stock | (3,638) | 0
Conversion of Series A convertible preferred stock | (3,537) | 0
Net loss applicable to common shareholders | $ (14,846) | $ (11,991)
Basic and diluted earnings per common share: |  |
Net loss per share - basic and diluted | $ (1.95) | $ (3.50)
Weighted average common shares outstanding (in shares) | 7,631,152 | 3,424,976

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