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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
ASSETS    
Allowance for doubtful accounts, net $ 49us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 84us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Stockholders equity:    
Preferred stock, par value $ 1us-gaap_PreferredStockParOrStatedValuePerShare $ 1us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, authorized shares 1,000,000us-gaap_PreferredStockSharesAuthorized 1,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, issued shares 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred stock, outstanding shares 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common stock, par value $ 0.60us-gaap_CommonStockParOrStatedValuePerShare $ 0.60us-gaap_CommonStockParOrStatedValuePerShare
Common stock, authorized shares 20,000,000us-gaap_CommonStockSharesAuthorized 20,000,000us-gaap_CommonStockSharesAuthorized
Common stock, issued shares 13,665,087us-gaap_CommonStockSharesIssued 13,588,804us-gaap_CommonStockSharesIssued
Common stock, outstanding shares 13,665,087us-gaap_CommonStockSharesOutstanding 13,588,804us-gaap_CommonStockSharesOutstanding