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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts (in dollars) $ 5,945us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 1,926us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Preferred stock, par value (in dollars per share) $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, Authorized shares 5,000us-gaap_PreferredStockSharesAuthorized 5,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, Shares issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred stock, Shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common stock, par value (in dollars per share) $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare
Common stock, Authorized shares 1,600,000us-gaap_CommonStockSharesAuthorized 1,600,000us-gaap_CommonStockSharesAuthorized
Common stock, Shares issued 416,178us-gaap_CommonStockSharesIssued 425,390us-gaap_CommonStockSharesIssued
Common stock, Shares outstanding 416,178us-gaap_CommonStockSharesOutstanding 425,390us-gaap_CommonStockSharesOutstanding