5. PER SHARE INFORMATION (Details) - Reconciliation of Diluted Shares - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reconciliation of Diluted Shares [Abstract]
Weighted average shares outstanding	7,480,733	7,564,289	7,531,308	7,561,845
Dilutive restricted share units	23,788	12,092		10,236
Dilutive stock options		1,838		2,158
Dilutive weighted average shares outstanding	7,504,521	7,578,219	7,531,308	7,574,239