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Share Repurchase Program (Detail Textuals) - Board of Directors - Common Stock - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2018
Apr. 24, 2018
Share Repurchase Program [Line Items]      
Share repurchase program authorized to repurchase amount     $ 10,000,000
Number of shares repurchased during period 32,596 66,367  
Total cost of shares repurchased during period $ 122,000 $ 260,000