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CONSOLIDATED STATEMENTS OF OPERATIONS (LOSS) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Revenues: |  |
Grant revenue | $ 843 | $ 1,694
Collaboration and research and development revenue |  | 250
Total revenues | 843 | 1,944
Operating expenses: |  |
Research and development | 9,477 | 12,382
General and administrative | 5,516 | 5,732
Total operating expenses | 14,993 | 18,114
Operating loss | (14,150) | (16,170)
Other income (expense): |  |
Change in valuation of financial instruments associated with stock purchase agreement |  | (51)
Foreign exchange gains (losses) | 273 | (368)
Interest income | 37 | 9
Other income, net | 66 | 94
Total other income (expense), net | 376 | (316)
Loss from continuing operations before taxes | (13,774) | (16,486)
Income tax benefit | 1,983 | 2,144
Net loss | (11,791) | (14,342)
Dividend on convertible exchangeable preferred shares | (200) | (201)
Net loss applicable to common shareholders | $ (11,991) | $ (14,543)
Basic and diluted earnings per common share: |  |
Net loss per share - basic and diluted (in dollars per share) | $ (3.50) | $ (5.36)
Weighted average common shares outstanding (in shares) | 3,424,976 | 2,713,096

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