XML 72 R38.htm IDEA: XBRL DOCUMENT v3.19.3
Note 4 - Earnings Per Share & Share Repurchase Plan (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Feb. 09, 2009
Earnings Per Share and Share Repurchase Plan [Line Items]            
Treasury stock, shares 164,569   164,569   164,569  
Treasury stock, value $ 2,476   $ 2,476   $ 2,476  
Board of Directors [Member]            
Earnings Per Share and Share Repurchase Plan [Line Items]            
Stock repurchase plan approved date     Jan. 21, 2008      
Share Repurchase Program 1 [Member]            
Earnings Per Share and Share Repurchase Plan [Line Items]            
Treasury stock, shares, acquired     0 0    
Treasury stock, shares 57,883   57,883      
Treasury stock shares average price per share acquired     $ 16.97      
Treasury stock, value $ 982   $ 982      
Share Repurchase Program 1 [Member] | Maximum [Member]            
Earnings Per Share and Share Repurchase Plan [Line Items]            
Stock repurchase program, number of shares authorized to be repurchased           100,000
Employee Stock Option [Member]            
Earnings Per Share and Share Repurchase Plan [Line Items]            
Antidilutive securities excluded from computation of earnings per share, amount 73,150 25,000 73,150 25,000