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Stock-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Cash received from exercise of stock options $ 55,000 $ 23,000 $ 56,000 $ 46,000
Employee Stock Option [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation expense 80,000 $ 168,000 220,000 263,000
Unrecognized compensation cost $ 570,000   $ 570,000  
Expected weighted average vesting period to recognize compensation     2 years 3 months 18 days  
Options issued 100,000 187,420    
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] | Tranche 1 Through 4 [Member] | 2004 Plan [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] | Tranche 1 Through 3 [Member] | 2004 Plan [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 $ 31,000 $ 57,000 $ 103,000 $ 109,000
Unrecognized compensation cost $ 74,000   $ 74,000  
Expected weighted average vesting period to recognize compensation     9 months 18 days  
Restricted Employee Performance Shares [Member] | Tranche 1 [Member] | 2004 Plan [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] | Tranche 2 [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Employee Performance Shares [Member] | Tranche 3 [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Company Performance Shares [Member] | Tranche 1 [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Company Performance Shares [Member] | Tranche 2 [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%  
Restricted Company Performance Shares [Member] | Tranche 3 [Member] | 2004 Plan [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] | Tranche 1 [Member] | 2004 Plan [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] | Tranche 2 [Member] | 2004 Plan [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] | Tranche 3 [Member] | 2004 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting rate     33.33%