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EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
 
 
Three Months Ended
 
Six Months Ended
 
 
 
June 30,
 
June 30,
 
 
 
2017
 
2016
 
2017
 
2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net income
 
$
338,098
 
$
485,650
 
$
140,348
 
$
491,506
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted-average shares outstanding:
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic
 
 
3,256,303
 
 
3,402,828
 
 
3,256,303
 
 
3,402,828
 
Diluted
 
 
3,265,521
 
 
3,406,468
 
 
3,265,032
 
 
3,403,904
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic
 
$
0.10
 
$
0.14
 
$
0.04
 
$
0.14
 
Diluted
 
$
0.10
 
$
0.14
 
$
0.04
 
$
0.14