5. PER SHARE INFORMATION (Details) - Reconciliation of Diluted Shares - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Weighted average
shares outstanding	7,437,913	7,480,733	7,438,061	7,531,308
Dilutive restricted share units	4,339	23,788	3,123
Dilutive stock options	749		194
Dilutive weighted average
shares outstanding	7,443,001	7,504,521	7,441,378	7,531,308