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Share Based Compensation (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Feb. 05, 2013
Apr. 30, 2017
Sep. 30, 2017
Share Based Compensation (Textual)      
Shares available for grants of awards    
Total intrinsic value     $ 390
Option exercised shares     38,017
Cash received from exercised options     $ 340
2008 Stock Incentive Plan [Member]      
Share Based Compensation (Textual)      
SAR and common restricted stock, shares     250,000
Option awards vesting period     5 years
Option awards contractual terms     10 years
2017 Stock Incentive Plan [Member]      
Share Based Compensation (Textual)      
Shares available for grants of awards   500,000  
Restricted Stock [Member]      
Share Based Compensation (Textual)      
Option awards vesting period 4 years    
Compensation cost charged against income     $ 100
Total income tax benefit recognized in income statement for share-based compensation arrangements     $ 30
Weighted-average period term     3 years
Total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under plan     $ 750