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Schedule of Estimated Amortization Expense, Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Goodwill And Intangible Assets Disclosure [Abstract]    
2017 (remainder of year from July 1, 2017 to December 31, 2017) $ 122  
2018 245  
2019 240  
2020 236  
2021 236  
Thereafter 483  
Total $ 1,562 $ 1,685