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CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Intangible assets, accumulated amortization $ 284us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization $ 264us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Series B Preferred stock, par value $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
Series B Preferred stock, authorized 7,235us-gaap_PreferredStockSharesAuthorized 7,235us-gaap_PreferredStockSharesAuthorized
Series B Preferred stock, shares issued 1,558us-gaap_PreferredStockSharesIssued 1,665us-gaap_PreferredStockSharesIssued
Series B Preferred stock, shares outstanding 1,558us-gaap_PreferredStockSharesOutstanding 1,665us-gaap_PreferredStockSharesOutstanding
Aggregate Liquidation Preference $ 4,675us-gaap_PreferredStockLiquidationPreferenceValue $ 4,995us-gaap_PreferredStockLiquidationPreferenceValue
Common stock, par value $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 40,000us-gaap_CommonStockSharesAuthorized 40,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 19,847us-gaap_CommonStockSharesIssued 20,650us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 19,847us-gaap_CommonStockSharesOutstanding 20,650us-gaap_CommonStockSharesOutstanding