XML 77 R34.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Allowance For Doubtful Accounts Receivable Rollforward [Line Items]      
Allowance for Doubtful Accounts, Balance at Beginning of Period $ 578us-gaap_AllowanceForDoubtfulAccountsReceivable $ 577us-gaap_AllowanceForDoubtfulAccountsReceivable $ 794us-gaap_AllowanceForDoubtfulAccountsReceivable
Charged to Costs and Expenses 139us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs 293us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs 134us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Write Off of Uncollectible Accounts,Net of Recoveries (322)us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries (292)us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries (351)us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries
Allowance for Doubtful Accounts, Balance at End of Period $ 395us-gaap_AllowanceForDoubtfulAccountsReceivable $ 578us-gaap_AllowanceForDoubtfulAccountsReceivable $ 577us-gaap_AllowanceForDoubtfulAccountsReceivable