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CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Accounts receivable, less allowance for doubtful accounts $ 476us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 1,655us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Capital Stock, par value (in dollars per share) $ 1us-gaap_CommonStockParOrStatedValuePerShare $ 1us-gaap_CommonStockParOrStatedValuePerShare
Capital Stock, authorized shares 50,000,000us-gaap_CommonStockSharesAuthorized 50,000,000us-gaap_CommonStockSharesAuthorized
Capital Stock, shares outstanding 18,403,109us-gaap_CommonStockSharesOutstanding 17,854,506us-gaap_CommonStockSharesOutstanding