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7. Leases (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Leases Details  
2015 $ 580us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 580us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 580us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 580us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 580us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter 237us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Leases, Net $ 3,137us-gaap_OperatingLeasesFutureMinimumPaymentsDue