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Condensed Consolidated Balance Sheets-Unaudited (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
ASSETS    
Accounts receivable, allowances $ 47us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 43us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Stockholders' Equity:    
Common stock, par value (in dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized (in shares) 10,000,000us-gaap_CommonStockSharesAuthorized 10,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (in shares) 2,696,149us-gaap_CommonStockSharesIssued 2,696,201us-gaap_CommonStockSharesIssued
Common stock, shares outstanding (in shares) 2,616,485us-gaap_CommonStockSharesOutstanding 2,616,485us-gaap_CommonStockSharesOutstanding
Treasury Stock, Shares 79,664us-gaap_TreasuryStockShares 79,716us-gaap_TreasuryStockShares