Quarterly report pursuant to Section 13 or 15(d)

Revenue and Accounts Receivable - Allowance for Doubtful Accounts (Details)

v3.4.0.3
Revenue and Accounts Receivable - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Allowance for Doubtful Accounts Receivable [Roll Forward]    
Balance, December 31, 2015 $ 664  
Additions to allowance for doubtful accounts 0 $ 221
Balance, March 31, 2016 $ 664