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NOTE 10 - SHARE REPURCHASE PROGRAM (Tables)
3 Months Ended
Mar. 31, 2019
Note 10 - Share Repurchase Program  
Summary of stock repurchase program
  Total Number of Shares Purchased     Average Price Paid per Share     Total Number of Shares Purchased as Part of Publicly Announced Repurchase Program     Approximate Dollar Value of Shares that May Yet Be Purchased under the Program  
    101,975     $ 5.23       101,975     $ 1,466,537  
    43,701     $ 5.36       43,701     $ 1,232,083  
    13,911     $ 5.47       13,911     $ 1,156,048  
    159,587     $ 5.29       159,587