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Intangible Assets, Maturity Schedule (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]  
2013 (July-December) $ 651
2014 1,091
2015 1,069
2016 1,028
2017 16
Total $ 3,855
Weighted average remaining useful life 3 years 4 months 24 days