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Transactions with Related Parties (Details) | 1 Months Ended | 7 Months Ended | 8 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 10, 2017 USD ($) | Feb. 08, 2017 USD ($) $ / shares shares | Jul. 31, 2016 USD ($) shares | Aug. 18, 2016 USD ($) | Aug. 18, 2016 EUR (€) | Dec. 31, 2017 USD ($) shares | Dec. 31, 2017 EUR (€) | Dec. 31, 2016 USD ($) shares | Dec. 31, 2015 USD ($) | Dec. 31, 2015 EUR (€) | Mar. 09, 2018 shares | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares held by the controlling party | shares |  |  |  |  |  | 18,579,317 |  |  |  |  |  |  |
Proportion of ownership interests held by the controlling party |  |  |  |  |  | 58.70% | 58.70% | 43.40% |  |  |  |  |
Consulting fees |  |  |  |  |  | $ 54,000 |  | $ 28,000 | $ 90,000 |  |  |  |
Borrowings |  |  |  |  |  | 41,538,000 |  | 65,572,000 |  |  |  |  |
Interest expense |  |  |  |  |  | 1,778,000 |  | 2,430,000 | 2,523,000 |  |  |  |
Proceeds from issuance of share capital |  |  |  |  |  | 9,653,000 |  | 0 | 0 |  |  |  |
Repayments of debt |  |  |  |  |  | 4,399,000 |  | 3,100,000 | 45,506,000 |  |  |  |
Consulting fee income |  |  |  |  |  | 31,000 |  | 278,000 | 0 |  |  |  |
Proceeds from borrowings |  |  |  |  |  | 280,000 |  | 5,950,000 | 39,505,000 |  |  |  |
Cyberonica S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly rental expense |  |  |  |  |  | $ 10,900 | € 10,360 |  | 16,000 | € 14,578 |  |  |
Rental annual increase rate above inflation |  |  |  |  |  | 2.00% | 2.00% |  |  |  |  |  |
Rental expense |  |  |  |  |  | $ 140,000 |  | 138,000 | 195,000 |  |  |  |
Unpaid rent expense |  |  |  |  |  | 471,000 |  | 313,000 |  |  |  |  |
Chief Executive Officer |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Directors' remuneration expense |  |  |  |  |  |  |  |  | 60,000 |  |  |  |
Non-executive directors |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Directors' remuneration expense |  |  |  |  |  | 145,000 |  | 130,000 | 185,000 |  |  |  |
Accrued compensation to directors |  |  |  |  |  | 126,000 |  | 393,000 |  |  |  |  |
Executive Director |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued compensation to directors |  |  |  |  |  | 239,000 |  | 152,000 |  |  |  |  |
Affiliated Company of Company's CEO |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Consulting fees |  |  |  | $ 240,000 | € 200,000 | 229,000 |  | 97,000 |  |  |  |  |
Firment Trading Limited |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Credit Facility, Maximum borrowing capacity |  |  |  |  |  |  |  |  | 20,000,000 |  |  | $ 8,000,000 | $ 4,000,000
Credit Facility, Drawn down amounts multiples |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |
Borrowings |  | $ 18,524,000 |  |  |  |  |  | 17,435,000 |  |  |  |  |
Interest expense |  |  |  |  |  | $ 0 |  | $ 608,000 |  |  |  |  |
Credit Facility, Decrease, Forgiveness |  | $ 16,885,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued during period | shares |  | 16,885,000 |  |  |  |  |  |  |  |  |  |  |
Number of shares called by warrants | shares |  | 6,230,580 |  |  |  |  |  |  |  |  |  |  |
Warrants exercise price | $ / shares |  | $ 1.60 |  |  |  |  |  |  |  |  |  |  |
Repayments of debt | $ 1,639,000 |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | April 12, 2017 | April 12, 2017 |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 5.00% |  |  |  |  |
Silaner Investments Limited |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Credit Facility, Maximum borrowing capacity |  |  |  |  |  |  |  | $ 3,000,000 |  |  |  |  |
Credit Facility, Drawn down amounts multiples |  |  |  |  |  |  |  | 100,000 |  |  |  |  |
Borrowings |  |  |  |  |  | $ 0 |  | 3,115,000 |  |  |  |  |
Interest expense |  |  |  |  |  | 3,000 |  | $ 74,000 |  |  |  |  |
Credit Facility, Decrease, Forgiveness |  | $ 3,115,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued during period | shares |  | 3,115,000 |  |  |  |  |  |  |  |  |  |  |
Number of shares called by warrants | shares |  | 1,149,437 |  |  |  |  |  |  |  |  |  |  |
Warrants exercise price | $ / shares |  | $ 1.60 |  |  |  |  |  |  |  |  |  |  |
Repayments of debt | $ 74,000 |  |  |  |  | $ 280,000 |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | January 12, 2018 | January 12, 2018 |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 5.00% |  |  |  |  |
Proceeds from borrowings |  |  |  |  |  | $ 280,000 |  |  |  |  |  |  |
Eolos Shipmanagement S.A. |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Daily consulting fee income |  |  |  |  |  |  |  | $ 1,000 |  |  |  |  |
Consulting fee income |  |  |  |  |  | $ 31,000 |  | $ 187,000 |  |  |  |  |
February 2017 Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of share capital |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued during period | shares |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |
Par value per share | $ / shares |  | $ 0.004 |  |  |  |  |  |  |  |  |  |  |
Number of shares called by warrants | shares |  | 25,000,000 |  |  |  | 30,898,209 |  |  |  |  | 30,523,209 |  |
Warrants exercise price | $ / shares |  | $ 1.6 |  |  |  |  |  |  |  |  |  |  |
Series A Preferred Shares |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares redeemed | shares |  |  |  |  |  |  |  | 2,567 |  |  |  |  |
Value of shares redeemed |  |  |  |  |  |  |  | $ 2,000 |  |  |  |  |
Number of shares outstanding | shares |  |  |  |  |  | 0 |  | 0 |  |  |  |  |
Series A Preferred Shares | Chief Executive Officer |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares redeemed | shares |  |  | 2,567 |  |  |  |  |  |  |  |  |  |
Value of shares redeemed |  |  | $ 242,000 |  |  |  |  |  |  |  |  |  |

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