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Share Capital and Share Premium (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2018 | Feb. 10, 2017 | Feb. 08, 2017 | Oct. 19, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Share premium |  |  |  |  | $ 140,334 | $ 139,684 | $ 110,013
Proceeds from issuance of share capital |  |  |  |  | $ 600 | 9,653 | 0
Warrants expense |  |  |  |  |  | 218 |
Voting rights |  |  |  |  | Holders of the Company’s common shares and Class B shares have equivalent economic rights, but holders of Company’s common shares are entitled to one vote per share and holders of the Company’s Class B shares are entitled to twenty votes per share. |  |
Borrowings |  |  |  |  | $ 36,868 | 41,538 |
Repayments of debt |  |  |  |  | 19,497 | 4,399 | 3,100
Issuance of common stock due to exercise of warrants |  |  |  |  | $ 600 | 2,371 |
Firment Trading Limited |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Shares issued during period |  |  | 1,688,500 |  |  |  |
Warrants exercise price |  |  | $ 16 |  |  |  |
Number of shares called by warrants |  |  | 623,058 |  |  |  |
Borrowings |  |  | $ 18,524 |  |  |  |
Credit Facility, Decrease, Forgiveness |  |  | $ 16,885 |  |  |  |
Repayments of debt |  | $ 1,639 |  |  |  |  |
Silaner Investments Limited |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Shares issued during period |  |  | 311,500 |  |  |  |
Warrants exercise price |  |  | $ 16 |  |  |  |
Number of shares called by warrants |  |  | 114,944 |  |  |  |
Credit Facility, Decrease, Forgiveness |  |  | $ 3,115 |  |  |  |
Repayments of debt |  |  |  |  |  | $ 280 | $ 74
February 2017 Private Placement |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Number of warrants exercised | 37,500 |  |  |  |  |  |
Proceeds from warrant exercises | $ 600 |  |  |  |  |  |
Proceeds from issuance of share capital |  |  | $ 5,000 |  |  |  |
Shares issued during period |  |  | 500,000 |  |  |  |
Par value per share |  |  | $ 0.004 |  |  |  |
Warrants exercise price |  |  | $ 16 |  |  |  |
Number of outstanding warrants |  |  |  |  | 3,052,321 | 3,089,821 |
Number of shares called by warrants |  |  | 2,500,000 |  | 3,052,321 | 3,089,821 |
Issuance of common stock due to exercise of warrants |  |  |  |  |  | 148,181 |
Issuance of common stock due to exercise of warrants |  |  |  |  |  | $ 2,371 |
October 2017 Private Placement |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Proceeds from issuance of share capital |  |  |  | $ 2,500 |  |  |
Shares issued during period |  |  |  | 250,000 |  |  |
Par value per share |  |  |  | $ 0.004 |  |  |
Maximum proportion of owneship interest by a warrant holder after warrants exercises |  |  |  | 4.99% |  |  |
Warrants exercise price |  |  |  | $ 16 |  |  |
Number of outstanding warrants |  |  |  |  | 1,250,000 | 1,250,000 |
Number of shares called by warrants |  |  |  | 1,250,000 | 1,250,000 | 1,250,000 |
October 2017 Private Placement | Maximum |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Maximum proportion of owneship interest by a warrant holder after warrants exercises |  |  |  | 9.99% |  |  |
Class B common shares |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Number of shares outstanding |  |  |  |  | 0 | 0 | 0
Series A Preferred Shares |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Number of shares outstanding |  |  |  |  | 0 | 0 | 0

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