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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Trade, allowance for doubtful accounts $ 223 $ 267
Common stock, par value per share (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 100 100
Common stock, shares issued (in shares) 100 100
Common stock, shares outstanding (in shares) 100 100