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Consolidated Statements of Changes in Equity € in Thousands, $ in Thousands | Share capital [Member] EUR (€) | Share capital [Member] USD [Member] USD ($) | Share capital [Member] USD [Member] EUR (€) | Share premium [Member] EUR (€) | Share premium [Member] USD [Member] USD ($) | Share premium [Member] USD [Member] EUR (€) | Retained earnings (accumulated deficit) [Member] EUR (€) | Retained earnings (accumulated deficit) [Member] USD [Member] USD ($) | Retained earnings (accumulated deficit) [Member] USD [Member] EUR (€) | Treasury shares [Member] EUR (€) | Treasury shares [Member] USD [Member] USD ($) | Treasury shares [Member] USD [Member] EUR (€) | Translation reserve from foreign operations [Member] EUR (€) | Translation reserve from foreign operations [Member] USD [Member] USD ($) | Translation reserve from foreign operations [Member] USD [Member] EUR (€) | Hedging Reserve [Member] EUR (€) | Hedging Reserve [Member] USD [Member] USD ($) | Hedging Reserve [Member] USD [Member] EUR (€) | Total [Member] EUR (€) | Total [Member] USD [Member] USD ($) | Non-controlling Interests [Member] EUR (€) | Non-controlling Interests [Member] USD [Member] USD ($) | Non-controlling Interests [Member] USD [Member] EUR (€) | EUR (€) | USD [Member] USD ($)
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Balance at Dec. 31, 2014 | [1] | € 19,608 |  |  | € 57,625 |  |  | € (192) |  |  | € (404) |  |  | € 829 |  |  |  |  |  | € 77,466 |  | € 13 |  |  | € 77,479 |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Profit (Loss) for the year |  |  |  |  |  |  |  | 8,340 |  |  |  |  |  |  |  |  |  |  |  | 8,340 |  | (230) |  |  | 8,110 | [1] |
Acquisition of subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (22) |  |  | (22) |  |
Other comprehensive loss for the year |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,109 |  |  |  |  |  | 1,109 |  | (5) |  |  | 1,104 | [1] |
Total comprehensive loss for the year |  |  |  |  |  |  |  | 8,340 |  |  |  |  |  | 1,109 |  |  |  |  |  | 9,449 |  | (257) |  |  | 9,214 | [1] |
Exercise of share options and warrants |  | 372 |  |  | 699 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,071 |  |  |  |  | 1,071 |  |
Own shares acquired |  |  |  |  |  |  |  |  |  |  | (1,307) |  |  |  |  |  |  |  |  | (1,307) |  |  |  |  | (1,307) |  |
Share-based payments |  |  |  |  | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 |  |  |  |  | 7 |  |
Balance at Dec. 31, 2015 | [1] | 19,980 |  |  | 58,331 |  |  | 8,148 |  |  | (1,711) |  |  | 1,938 |  |  |  |  |  | 86,686 |  | (244) |  |  | 86,442 |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Profit (Loss) for the year |  |  |  |  |  |  |  | (209) |  |  |  |  |  |  |  |  |  |  |  | (209) |  | (423) |  |  | (632) | [1] |
Other comprehensive loss for the year |  |  |  |  |  |  |  |  |  |  |  |  |  | 726 |  |  |  |  |  | 726 |  | (34) |  |  | 692 | [1] |
Total comprehensive loss for the year |  |  |  |  |  |  |  | (209) |  |  |  |  |  | 726 |  |  |  |  |  | 517 |  | (457) |  |  | 60 | [1] |
Dividends to owners |  |  |  |  |  |  |  | (2,123) |  |  |  |  |  |  |  |  |  |  |  | (2,123) |  |  |  |  | (2,123) |  |
Own shares acquired |  |  |  |  |  |  |  |  |  |  | (11) |  |  |  |  |  |  |  |  | (11) |  |  |  |  | (11) |  |
Share-based payments |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  | 3 |  |
Balance at Dec. 31, 2016 |  | 19,980 | $ 23,931 |  | 58,334 | $ 69,870 |  | 5,816 | $ 6,966 |  | (1,722) | $ (2,063) |  | 2,664 | $ 3,191 |  |  |  |  | 85,072 | $ 101,895 | (701) | $ (840) |  | 84,371 | [1] | $ 101,055
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Profit (Loss) for the year |  |  |  |  |  |  |  | (6,115) | (7,324) |  |  |  |  |  |  |  |  |  |  | (6,115) | (7,324) | (526) | (630) |  | (6,641) |  | (7,954)
Other comprehensive loss for the year |  |  |  |  |  |  |  |  |  |  |  |  |  | (445) | (533) |  | 138 | 165 |  | (307) | (368) | 86 | 103 |  | (221) |  | (265)
Total comprehensive loss for the year |  |  |  |  |  |  |  | (6,115) | (7,324) |  |  |  |  | (445) | (533) |  | 138 | 165 |  | (6,422) | (7,692) | (440) | (527) |  | (6,862) |  | (8,219)
Own shares acquired |  |  |  |  |  |  |  |  |  |  | (14) | (16) |  |  |  |  |  |  |  | (14) | (16) |  |  |  | (14) |  | (16)
Share-based payments |  |  |  |  | 5 | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 | 6 |  |  |  | 5 |  | 6
Balance at Dec. 31, 2017 |  | € 19,980 | $ 23,931 |  | € 58,339 | $ 69,876 |  | € (299) | $ 358 |  | € (1,736) | $ (2,079) |  | € 2,219 | $ 2,658 |  | € 138 | $ 165 |  | € 78,641 | $ 94,193 | € (1,141) | $ (1,367) |  | € 77,500 |  | $ 92,826
[1] | Please refer to note 2C for functional and presentation currency.

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