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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive (Loss) Income [Member] | Retained Earnings [Member] | Mezzanine Equity [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2018 | $ 84,433 | $ 60,872 | $ 2,198 | $ (562) | $ 21,925 |
Beginning Balance (in shares) at Dec. 31, 2018 |  | 47,643 |  |  |  |
Shares issued in public offering, net of issuance costs | 34,226 | $ 34,226 |  |  |  |
Shares issued in pubic offering, net of issuance costs (in shares) |  | 4,059 |  |  |  |
Shares issued on exercise of warrants | 466 | $ 614 | (148) |  |  |
Shares issued on exercise of warrants (in shares) |  | 300 |  |  |  |
Shares issued on exercise of stock options (note 20) | 208 | $ 324 | (116) |  |  |
Shares issued on exercise of stock options (note 20) (in shares) |  | 212 |  |  |  |
Share-based compensation (note 20) | 4,714 | $ 2,297 | 2,417 |  |  |
Share-based compensation (note 20) (in shares) |  | 443 |  |  |  |
Cumulative translation adjustment | 87 |  |  | 87 |  |
Net income (loss) | 2,325 |  |  |  | 2,325 |
Ending Balance at Dec. 31, 2019 | 126,459 | $ 98,333 | 4,351 | (475) | 24,250 |
Ending Balance (in shares) at Dec. 31, 2019 |  | 52,657 |  |  |  |
Shares issued in public offering, net of issuance costs | 42,550 | $ 42,550 |  |  |  |
Shares issued in pubic offering, net of issuance costs (in shares) |  | 12,990 |  |  |  |
Warrants issued in public offering | 11,369 |  | 11,369 |  |  |
Shares issued on exercise of stock options (note 20) | 425 | $ 692 | (267) |  |  |
Shares issued on exercise of stock options (note 20) (in shares) |  | 1,265 |  |  |  |
Share-based compensation (note 20) | 6,142 | $ 4,093 | 2,049 |  |  |
Cumulative translation adjustment | 6,730 |  |  | 6,730 |  |
Net income (loss) | 11,608 |  |  |  | 11,608 |
Ending Balance at Dec. 31, 2020 | 205,283 | $ 145,668 | 17,502 | 6,255 | 35,858 |
Ending Balance (in shares) at Dec. 31, 2020 |  | 66,912 |  |  |  |
Shares issued in public offering, net of issuance costs | 127,489 | $ 127,489 |  |  |  |
Shares issued in pubic offering, net of issuance costs (in shares) |  | 10,887 |  |  |  |
Shares issued in acquisition | 63,044 | $ 63,044 |  |  |  |
Shares issued in acquisition (in shares) |  | 7,118 |  |  |  |
Shares issued on exercise of warrants | 18,495 | $ 29,050 | (10,555) |  |  |
Shares issued on exercise of warrants (in shares) |  | 3,188 |  |  |  |
Shares issued on exercise of stock options (note 20) | 199 | $ 310 | (111) |  |  |
Shares issued on exercise of stock options (note 20) (in shares) |  | 177 |  |  |  |
Share re-purchases (note 20) | (5,000) |  | (5,000) |  |  |
Share re-purchases (note 20) (in shares) |  | (535) |  |  |  |
Share-based compensation (note 20) | 7,533 |  | 7,533 |  |  |
Share-based compensation (note 20) (in shares) |  | 487 |  |  |  |
Recognition of non-controlling interest on acquisition |  |  |  |  |  | $ 16,479
Cumulative translation adjustment | 441 |  |  | 441 |  |
Net income (loss) | (9,079) |  |  |  | (9,079) | (46)
Ending Balance at Dec. 31, 2021 | $ 408,405 | $ 365,561 | $ 9,369 | $ 6,696 | $ 26,779 | $ 16,433
Ending Balance (in shares) at Dec. 31, 2021 |  | 88,234 |  |  |  |

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