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Stock-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Cash received from exercise of stock options $ 83,000 $ 11,000 $ 139,000 $ 57,000
Employee Stock Option [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation expense 78,000 $ 12,000 298,000 $ 275,000
Unrecognized compensation cost $ 608,000   $ 608,000  
Expected weighted average vesting period to recognize compensation     2 years 2 months 12 days  
Options issued 35,000 100,000 166,500 499,197
Employee Stock Option [Member] | Minimum [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Period before vesting begins     1 year  
Employee Stock Option [Member] | Minimum [Member] | 2004 Plan [Member] | Tranche 1 Through 4 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     25.00%  
Employee Stock Option [Member] | Maximum [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     10 years  
Employee Stock Option [Member] | Maximum [Member] | 2004 Plan [Member] | Tranche 1 Through 3 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.30%  
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation expense $ 20,000 $ 9,000 $ 123,000 $ 118,000
Unrecognized compensation cost $ 53,000   $ 53,000  
Expected weighted average vesting period to recognize compensation     6 months  
Restricted Employee Performance Shares [Member] | 2004 Plan [Member] | Tranche 1 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Vesting period     1 year  
Restricted Employee Performance Shares [Member] | 2004 Plan [Member] | Tranche 2 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Employee Performance Shares [Member] | 2004 Plan [Member] | Tranche 3 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Company Performance Shares [Member] | 2004 Plan [Member] | Tranche 1 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Company Performance Shares [Member] | 2004 Plan [Member] | Tranche 2 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Company Performance Shares [Member] | 2004 Plan [Member] | Tranche 3 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Non-Management Board Of Director Members Shares [Member] | 2004 Plan [Member] | Tranche 1 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Non-Management Board Of Director Members Shares [Member] | 2004 Plan [Member] | Tranche 2 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Non-Management Board Of Director Members Shares [Member] | 2004 Plan [Member] | Tranche 3 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%