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Share-Based Payments (Narrative) (Details) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Feb. 21, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted (in shares) 0   0 11,767    
Restatement adjustment   $ 843,000   $ 843,000 $ 0  
Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total compensation $ 15,000   $ 4,991,000 11,720,000 23,562,000  
Unrecognized share-based compensation costs 29,000 59,000   59,000    
Stock Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total compensation 12,000   $ 173,000 147,000 $ 1,420,000  
Unrecognized share-based compensation costs $ 133,000 $ 157,000   $ 157,000    
Expiration period 10 years     10 years    
Unrecognized share-based compensation costs, period for recognition 4 years     4 years    
Stock Options | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period 3 years     3 years    
Stock Options | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period 4 years     4 years    
Executive Incentive Plan, 2011            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares reserved for delivery under plan (shares)         187,500 6,250,000