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5. PER SHARE INFORMATION (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Table Text Block [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 77,428 40,250 82,374 44,336