Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies- Accounts Receivable (Details)

v2.4.0.8
Summary of Significant Accounting Policies- Accounts Receivable (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Changes in the Allowance for Doubtful Accounts [Roll Forward]    
Allowance for doubtful accounts, beginning of period $ 1,519 $ 1,174
Charges to costs and expenses 266 371
Account write-offs and other (199) (24)
Allowance for doubtful accounts, end of period $ 1,586 $ 1,521