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Other Expense (Schedule of Other Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Other Nonoperating Income (Expense) [Abstract]    
Accrued interest and penalties, net $ (139)  
Acquisition transaction and other expenses 155 $ 183
Gain on cancellation of Titan notes payable   (106)
Other expense $ 16 $ 77