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v3.20.4

Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Consolidated Statements of Operations and Comprehensive Loss |  |  |
Sales | $ 8,316 | $ 32,255 | $ 23,496
Cost of sales | (12,968) | (30,275) | (12,203)
Gross profit (loss) | (4,652) | 1,980 | 11,293
Operating costs | (8,689) | (10,258) | (9,986)
Profit (loss) from operations | (13,341) | (8,278) | 1,307
Net interest expense | (710) | (668) | (1,002)
Warrant mark to market gain (loss) | (680) | 524 | 581
Foreign exchange gain (loss) | (72) | (28) | 43
Other income (expense) | 18 | 32 | 3,605
Net income (loss) | (14,785) | (8,418) | 4,534
Foreign currency translation adjustment | 53 | (16) | 7
Comprehensive income (loss) | $ (14,732) | $ (8,434) | $ 4,541
Income (loss) per common share: |  |  |
Basic | $ (0.09) | $ (0.05) | $ 0.03
Diluted | $ (0.09) | $ (0.05) | $ 0.03
Weighted average common shares: |  |  |
Weighted average common shares Basic | 164,257,092 | 159,903,052 | 150,034,566
Weighted average common shares Diluted | 164,257,092 | 159,903,052 | 151,598,180

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