Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Dividends and Narrative) (Details)

v3.8.0.1
Stockholders' Equity (Dividends and Narrative) (Details) - USD ($)
3 Months Ended
Nov. 02, 2017
Sep. 27, 2017
May 25, 2017
Feb. 24, 2017
Dec. 01, 2016
Oct. 07, 2016
May 27, 2016
Feb. 29, 2016
Nov. 25, 2015
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Dividends paid (usd per share)   $ 0.08 $ 0.08 $ 0.08 $ 0.07 $ 0.07 $ 0.07 $ 0.07 $ 0.05    
Share-based compensation expense                   $ 436,407 $ 191,460
Compensation expense not yet recognized                   $ 2,200,000  
Compensation expense not yet recognized, period for recognition (in years)                   2 years 3 months 21 days  
Stock Appreciation Rights (SARs)                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Expiration period                   10 years  
2014 Stock Award and Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Maximum amount of shares per employee (shares)                   250,000  
Shares granted under the plan, shares                   79,345  
Non Employee Director Except Chairman of the Board | 2014 Stock Award and Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Maximum grant date fair value                   $ 300,000  
Chairman of the Board and Director | 2014 Stock Award and Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Maximum grant date fair value                   $ 600,000  
Subsequent Event                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Dividend declared (usd per share) $ 0.08                    
Subsequent Event | 2014 Stock Award and Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of additional shares authorized (shares) 525,000