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Commitments and Contingencies (Details) - Future minimum lease payments under non-cancelable operating leases (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Future minimum lease payments under non-cancelable operating leases [Abstract]  
2014 $ 1,027
2015 680
2016 613
2017 379
2018 356
Total minimum lease payments $ 3,055