Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charge (Details Textual)

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Restructuring Charge (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2015
Mar. 31, 2015
Sep. 30, 2015
Sep. 30, 2014
Restructuring Charge (Textual) [Abstract]        
Restructuring $ 0 $ 3,200 $ 17 $ 55
Impairment of Leasehold   2,700    
Unpaid balance of restructuring charges 2,191 2,803 2,191  
Restructuring Reserve, Current 1,092 1,161 1,092  
Restructuring Reserve, Noncurrent $ 1,099 $ 1,642 $ 1,099