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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]    
Receivables, allowance for doubtful accounts $ 1,374us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 551us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Common stock, par value $ 1us-gaap_CommonStockParOrStatedValuePerShare $ 1us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 20,000,000us-gaap_CommonStockSharesAuthorized 20,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 10,426,000us-gaap_CommonStockSharesIssued 10,373,000us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 10,426,000us-gaap_CommonStockSharesOutstanding 10,373,000us-gaap_CommonStockSharesOutstanding