Quarterly report pursuant to Section 13 or 15(d)

Allowance for Bad Debts (Detail)

v2.4.1.9
Allowance for Bad Debts (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Allowance for doubtful accounts $ 108us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Additions 198us-gaap_ProvisionForDoubtfulAccounts
Write-offs (253)us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Allowance for doubtful accounts $ 53us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent