Annual report pursuant to Section 13 and 15(d)

Intangible assets, net - Aggregate Amortization Expense (Details)

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Intangible assets, net - Aggregate Amortization Expense (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Estimated aggregate amortization expense  
Estimated aggregate amortization expense, year ended December 31, 2018 $ 585
Estimated aggregate amortization expense, year ended December 31, 2019 542
Estimated aggregate amortization expense, year ended December 31, 2020 467
Estimated aggregate amortization expense, year ended December 31, 2021 24
Estimated aggregate amortization expense, year ended December 31, 2022 $ 24