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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock
Additional Paid-In Capital
Other Accumulated Comprehensive Income (Loss)
Retained Earnings
Total
Beginning balance, shares at Dec. 31, 2017 3,014,494        
Beginning balance, amount at Dec. 31, 2017 $ 3 $ 10,400 $ 34 $ 2,774 $ 13,211
Stock-based compensation expense   142     142
Exercise of stock awards, net of tax, shares 47,626        
Exercise of stock awards, net of tax, amount   161     161
Foreign currency translation     43   43
Dividends       (152) (152)
Net income       320 320
Ending balance, shares at Mar. 31, 2018 3,062,120        
Ending balance, amount at Mar. 31, 2018 $ 3 10,703 77 2,942 13,725
Beginning balance, shares at Dec. 31, 2017 3,014,494        
Beginning balance, amount at Dec. 31, 2017 $ 3 10,400 34 2,774 13,211
Foreign currency translation         (33)
Net income         686
Ending balance, shares at Jun. 30, 2018 3,103,370        
Ending balance, amount at Jun. 30, 2018 $ 3 11,396 1 3,155 14,555
Beginning balance, shares at Mar. 31, 2018 3,062,120        
Beginning balance, amount at Mar. 31, 2018 $ 3 10,703 77 2,942 13,725
Stock-based compensation expense   144     144
Exercise of stock awards, net of tax, shares 41,250        
Exercise of stock awards, net of tax, amount   549     549
Foreign currency translation     (76)   (76)
Dividends       (153) (153)
Net income       366 366
Ending balance, shares at Jun. 30, 2018 3,103,370        
Ending balance, amount at Jun. 30, 2018 $ 3 11,396 1 3,155 14,555
Beginning balance, shares at Dec. 31, 2018 3,829,572        
Beginning balance, amount at Dec. 31, 2018 $ 4 22,525 (17) 3,151 25,663
Stock-based compensation expense   137     137
Exercise of stock awards, net of tax, shares 24,996        
Exercise of stock awards, net of tax, amount         0
Foreign currency translation     (3)   (3)
Net income       205 205
Ending balance, shares at Mar. 31, 2019 3,854,568        
Ending balance, amount at Mar. 31, 2019 $ 4 22,662 (20) 3,356 26,002
Beginning balance, shares at Dec. 31, 2018 3,829,572        
Beginning balance, amount at Dec. 31, 2018 $ 4 22,525 (17) 3,151 25,663
Foreign currency translation         (13)
Net income         417
Ending balance, shares at Jun. 30, 2019 3,862,568        
Ending balance, amount at Jun. 30, 2019 $ 4 22,793 (30) 3,568 26,335
Beginning balance, shares at Mar. 31, 2019 3,854,568        
Beginning balance, amount at Mar. 31, 2019 $ 4 22,662 (20) 3,356 26,002
Stock-based compensation expense   131     131
Exercise of stock awards, net of tax, shares 8,000        
Exercise of stock awards, net of tax, amount         0
Foreign currency translation     (10)   (10)
Net income       212 212
Ending balance, shares at Jun. 30, 2019 3,862,568        
Ending balance, amount at Jun. 30, 2019 $ 4 $ 22,793 $ (30) $ 3,568 $ 26,335