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Indebtedness (Narrative) (Details)
€ in Thousands, $ in Thousands
9 Months Ended
Mar. 31, 2015
USD ($)
Mar. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Dec. 31, 2014
EUR (€)
Line of Credit Facility [Line Items]        
Cost of assets under lease     $ 212  
Accumulated amortization on the capital leases     99  
Silicon Valley Bank Agreement [Member] | Letter of Credit [Member]        
Line of Credit Facility [Line Items]        
Credit facility $ 2,000 $ 1,000    
Silicon Valley Bank Agreement [Member] | Revolving Credit Facility [Member]        
Line of Credit Facility [Line Items]        
Credit facility     $ 15,000  
Credit facility maturity date Apr. 30, 2018 Apr. 30, 2016 Apr. 30, 2018  
Borrowings under the revolving credit facility, availability     $ 0  
Borrowings under the revolving credit facility, outstanding     $ 13,292  
Corporate Credit Card [Member]        
Line of Credit Facility [Line Items]        
Credit facility maturity date     Jun. 30, 2015  
Letter of credit outstanding | €       € 75
Computer And Office Equipment [Member]        
Line of Credit Facility [Line Items]        
Capital lease expiration period     Dec. 31, 2020