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Share-Based Payments (Restricted Stock) (Details) - Restricted Stock Units - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total compensation $ 15 $ 4,991 $ 11,720 $ 23,562
Unrecognized share-based compensation costs $ 29   $ 59  
Shares        
Nonvested, beginning balance (in shares) 4,042 23,313 23,313  
Granted (in shares) 0   17,571  
Vested (in shares)     (19,138)  
Forfeited and canceled (in shares)     (17,704)  
Nonvested, ending balance (in shares)     4,042 23,313
Weighted Average Grant Date Fair Value        
Nonvested, beginning balance (in dollars per share) $ 2,740.40 $ 1,044.60 $ 1,044.60  
Granted (in dollars per share)     32.60  
Vested (in dollars per share)     944.60  
Forfeited and canceled (in dollars per share)     74.80  
Nonvested, ending balance (in dollars per share)     $ 2,740.40 $ 1,044.60