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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) $ 0us-gaap_CommonStockParOrStatedValuePerShare $ 0us-gaap_CommonStockParOrStatedValuePerShare
Preferred stock, shares authorized 5,000,000us-gaap_PreferredStockSharesAuthorized 5,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued 950,000us-gaap_PreferredStockSharesIssued 950,000us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding 950,000us-gaap_PreferredStockSharesOutstanding 950,000us-gaap_PreferredStockSharesOutstanding
Redemption amount $ 23,750us-gaap_PreferredStockRedemptionAmount $ 23,750us-gaap_PreferredStockRedemptionAmount
Common stock and additional paid-in capital, par value (in dollars per share) $ 0us-gaap_PreferredStockParOrStatedValuePerShare $ 0us-gaap_PreferredStockParOrStatedValuePerShare
Common stock and additional paid-in capital, shares authorized 55,000,000us-gaap_CommonStockSharesAuthorized 55,000,000us-gaap_CommonStockSharesAuthorized
Common stock and additional paid-in capital, shares issued 19,151,000us-gaap_CommonStockSharesIssued 16,016,000us-gaap_CommonStockSharesIssued
Common stock and additional paid-in capital, shares outstanding 19,151,000us-gaap_CommonStockSharesOutstanding 16,016,000us-gaap_CommonStockSharesOutstanding
Accounts receivable, allowance (in dollars) $ 6,708us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 4,989us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent