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Stock-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended 18 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation cost $ 0        
Chief Executive Officer [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted Stock Unit     $ 30,000    
Options issued under stock option plans 55,000        
Stock Option Plans [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Period options are excercisable     10 years    
Shares available for future grants 0   0   0
New Long-Term Management Incentive Compensation Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares approved to be issued under plan 700,000   700,000   700,000
Shares issued     102,183    
Compensation cost $ 0 $ 0 $ 0 $ 0  
New Long-Term Management Incentive Compensation Plan [Member] | 2017-2019 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation cost     900,000    
New Long-Term Management Incentive Compensation Plan [Member] | 2018-2020 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation cost     600,000    
New Long-Term Management Incentive Compensation Plan [Member] | 2019-2021Member          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation cost     $ 400,000    
New Omnibus Stock Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares approved to be issued under plan 700,000   700,000   700,000
Compensation cost $ 100,000   $ 400,000 $ 200,000  
Period options are excercisable     10 years    
Options issued under stock option plans 30,210   66,305 21,439  
Shares available for future grants 406,152   406,152   406,152
New Omnibus Stock Plan [Member] | Director [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued 3,675 1,701 6,265 3,564  
Compensation cost $ 100,000 $ 100,000     $ 200,000
New Omnibus Stock Plan [Member] | Executive Officer [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued       6,280  
Compensation cost $ 100,000   $ 300,000    
Restricted Stock Unit   $ 100,000 $ 39,666 $ 200,000