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5. PER SHARE INFORMATION (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Table Text Block [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 63,705 80,170 125,222 81,880