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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock [Member]
Treasury Stock [Member]
Paid-In Capital [Member]
Retained Earnings [Member]
Beginning Balance at Dec. 31, 2015 $ 84,298 $ 42 $ (39) $ 61,955 $ 22,340
Beginning balance (in shares) at Dec. 31, 2015   4,173,675      
Increase (Decrease) in Stockholders' Equity          
Net income 2,081       2,081
Ending Balance at Dec. 31, 2016 86,379 $ 42 (39) 61,955 24,421
Ending Balance (in shares) at Dec. 31, 2016   4,173,675      
Increase (Decrease) in Stockholders' Equity          
Net income 1,508       1,508
Ending Balance at Dec. 31, 2017 $ 87,887 $ 42 (39) 61,955 25,929
Ending Balance (in shares) at Dec. 31, 2017 4,168,214 4,173,675      
Increase (Decrease) in Stockholders' Equity          
Net income $ 8,210       8,210
Ending Balance at Dec. 31, 2018 $ 96,097 $ 42 $ (39) $ 61,955 $ 34,139
Ending Balance (in shares) at Dec. 31, 2018 4,168,214 4,173,675