SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash (paid) received:
Interest	$ (948)	$ (828)
Income tax payments	(1,088)	(916)
Refund of income taxes	$ 52	$ 48
Dividends declared per common share	$ 0.12	$ 0.10
Non-cash activities:
Repurchase of common stock from employees in exchange for the payment of income taxes	$ 173	$ 255
Purchase of equipment on capital leases	881	0
Issuance of treasury stock for the Company's investment savings 401(k) plan	$ 271	$ 306