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Cash Dividends (Details) - USD ($)
1 Months Ended 6 Months Ended
Apr. 19, 2019
Apr. 16, 2018
Jun. 30, 2019
Jun. 30, 2018
Apr. 05, 2019
Dec. 31, 2018
Apr. 02, 2018
Cash Dividends (Textual)              
Common stock, shares outstanding     9,370,119     9,338,191  
Dividends paid to common shareholders     $ 468,306 $ 555,275      
Majority Shareholder [Member]              
Cash Dividends (Textual)              
Common stock, shares outstanding         9,366,119   9,254,580
Dividends paid to common shareholders $ 468,306 $ 555,275          
Dividends paid per common share $ 0.05 $ 0.06