v3.3.1.900

Intangible assets (Details 2) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | ---
Intangible assets |  |  |
Historical cost | $ 30,634 | $ 43,919 |
Accumulated Amortization | (14,579) | (24,243) |
Finite-Lived Intangible Assets, Net, Total | 16,055 | 19,676 | $ 23,413
Amortization expense for fiscal years 2016 through 2020 and thereafter |  |  |
2016 | 3,451 |  |
2017 | 3,221 |  |
2018 | 2,372 |  |
2019 | 1,634 |  |
2020 | 1,556 |  |
Thereafter | 3,821 |  |
Finite-Lived Intangible Assets, Net, Total | 16,055 | 19,676 | $ 23,413
Venue contracts |  |  |
Intangible assets |  |  |
Historical cost | 23,630 | 36,356 |
Accumulated Amortization | (11,104) | (21,582) |
Finite-Lived Intangible Assets, Net, Total | 12,526 | 14,774 |
Amortization expense for fiscal years 2016 through 2020 and thereafter |  |  |
Finite-Lived Intangible Assets, Net, Total | 12,526 | 14,774 |
Non-compete agreement |  |  |
Intangible assets |  |  |
Historical cost | 3,590 | 3,840 |
Accumulated Amortization | (1,556) | (1,067) |
Finite-Lived Intangible Assets, Net, Total | 2,034 | 2,773 |
Amortization expense for fiscal years 2016 through 2020 and thereafter |  |  |
Finite-Lived Intangible Assets, Net, Total | 2,034 | 2,773 |
Technology |  |  |
Intangible assets |  |  |
Historical cost | 2,310 | 2,300 |
Accumulated Amortization | (1,295) | (863) |
Finite-Lived Intangible Assets, Net, Total | 1,015 | 1,437 |
Amortization expense for fiscal years 2016 through 2020 and thereafter |  |  |
Finite-Lived Intangible Assets, Net, Total | 1,015 | 1,437 |
Advertiser relationships |  |  |
Intangible assets |  |  |
Historical cost | 70 | 70 |
Accumulated Amortization | (48) | (34) |
Finite-Lived Intangible Assets, Net, Total | 22 | 36 |
Amortization expense for fiscal years 2016 through 2020 and thereafter |  |  |
Finite-Lived Intangible Assets, Net, Total | 22 | 36 |
Patents, trademarks and other |  |  |
Intangible assets |  |  |
Historical cost | 1,034 | 1,353 |
Accumulated Amortization | (576) | (697) |
Finite-Lived Intangible Assets, Net, Total | 458 | 656 |
Amortization expense for fiscal years 2016 through 2020 and thereafter |  |  |
Finite-Lived Intangible Assets, Net, Total | $ 458 | $ 656 |

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