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Intangible Assets (Details 2) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Intangible assets, net activity    
Balances at the beginning of the period $ 4,429  
Amortization (471) (468)
Balances at the end of the period 3,958  
Annual Amortization Expense    
2013 1,411  
2014 1,435  
2015 97  
2016 97  
2017 97  
Thereafter 672  
Intangible assets, net $ 3,809