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Shareholders' Equity (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Shareholders' Equity [Abstract]      
General and administrative $ 100us-gaap_OtherGeneralAndAdministrativeExpense $ 23us-gaap_OtherGeneralAndAdministrativeExpense $ 23us-gaap_OtherGeneralAndAdministrativeExpense
Total stock-based compensation expense $ 100us-gaap_AllocatedShareBasedCompensationExpense $ 23us-gaap_AllocatedShareBasedCompensationExpense $ 23us-gaap_AllocatedShareBasedCompensationExpense