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           Commitments And Contingencies (Minimum Future Lease Payments) (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        
           Dec. 31, 2014 
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| Commitments And Contingencies [Abstract] | |
| 2015 | $ 290us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent | 
| 2016 | 86us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears | 
| Total minimum future lease payments | $ 376us-gaap_OperatingLeasesFutureMinimumPaymentsDue | 
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- Details 
          
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- Definition 
          Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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