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Consolidated Statement of Shareholders’ Equity - USD ($)
shares in Thousands, $ in Thousands
Common Stock and Additional Paid in Capital [Member]
Retained Earnings [Member]
Total
BALANCE - December 31, 20 at Dec. 31, 2017 $ 68,974 $ 72,119 $ 141,093
BALANCE - December 31, 20 (in Shares) at Dec. 31, 2017 7,399    
Net income (Loss)   3,251 3,251
Dividends paid on common stock   (815) (815)
Stock compensation expense $ 299   299
Stock compensation expense (in Shares) 8    
BALANCE - December 31, 20 at Mar. 31, 2018 $ 69,273 74,555 143,828
BALANCE - December 31, 20 (in Shares) at Mar. 31, 2018 7,407    
BALANCE - December 31, 20 at Dec. 31, 2017 $ 68,974 72,119 141,093
BALANCE - December 31, 20 (in Shares) at Dec. 31, 2017 7,399    
Net income (Loss)     10,945
BALANCE - December 31, 20 at Sep. 30, 2018     150,060
BALANCE - December 31, 20 at Mar. 31, 2018 $ 69,273 74,555 143,828
BALANCE - December 31, 20 (in Shares) at Mar. 31, 2018 7,407    
Net income (Loss)   2,649 2,649
Dividends paid on common stock   (888) (888)
Stock compensation expense $ 164   164
Stock compensation expense (in Shares) 8    
BALANCE - December 31, 20 at Jun. 30, 2018 $ 69,437 76,316 145,753
BALANCE - December 31, 20 (in Shares) at Jun. 30, 2018 7,415    
Net income (Loss)     5,045
BALANCE - December 31, 20 at Sep. 30, 2018     150,060
BALANCE - December 31, 20 at Dec. 31, 2018 $ 68,387 83,188 151,575
BALANCE - December 31, 20 (in Shares) at Dec. 31, 2018 7,368    
Net income (Loss)   3,605 3,605
Dividends paid on common stock   (887) (887)
Stock issued and options exercised including related tax benefits $ 294   294
Stock issued and options exercised including related tax benefits (in Shares) 17    
Stock compensation expense $ 168   168
Stock compensation expense (in Shares) 6    
BALANCE - December 31, 20 at Mar. 31, 2019 $ 68,849 85,906 154,755
BALANCE - December 31, 20 (in Shares) at Mar. 31, 2019 7,391    
BALANCE - December 31, 20 at Dec. 31, 2018 $ 68,387 83,188 151,575
BALANCE - December 31, 20 (in Shares) at Dec. 31, 2018 7,368    
Net income (Loss)     12,378
BALANCE - December 31, 20 at Sep. 30, 2019     161,881
BALANCE - December 31, 20 at Mar. 31, 2019 $ 68,849 85,906 154,755
BALANCE - December 31, 20 (in Shares) at Mar. 31, 2019 7,391    
Net income (Loss)   3,157 3,157
Dividends paid on common stock   (1,036) (1,036)
Stock compensation expense $ 164   164
Stock compensation expense (in Shares) 3    
BALANCE - December 31, 20 at Jun. 30, 2019 $ 69,013 $ 88,027 157,040
BALANCE - December 31, 20 (in Shares) at Jun. 30, 2019 7,394    
Net income (Loss)     5,616
BALANCE - December 31, 20 at Sep. 30, 2019     $ 161,881