Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities:
Net earnings	$ 6,549	$ 9,116
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	4,127	3,702
Loss on disposition of fixed assets	37	146
Unrealized loss on interest rate swaps	23	173
Amortization of stock-based compensation expense	381	807
Amortization of deferred financing costs	57	62
Deferred taxes	(197)	(1,810)
Changes in Operating Assets and Liabilities:
Receivables, net	278	(2,062)
Prepaid expenses and other assets	(847)	1,467
Accounts payable	(257)	(570)
Accrued liabilities	717	(797)
Inventories	2	30
Other operating assets	(489)	0
Other operating liabilities	3	4
Accrued payroll	(296)	(248)
Taxes payable	(1,209)	(1,452)
Contingent liability payment	0	(159)
Net cash provided by operating activities	8,879	8,409
Cash Flows used in Investing Activities:
Purchases of property and equipment	(3,805)	(12,958)
Proceeds from disposition of assets	10	696
Net cash used in investing activities	(3,795)	(12,262)
Cash Flows (used in) provided by Financing Activities:
Proceeds from borrowings	379	11,243
Principal repayments	(2,426)	(2,271)
Distribution to non-controlling interest	(1,626)	(490)
Proceeds from exercise of stock options	46	83
Net cash (used in) provided by financing activities	(3,627)	8,565
Effect of Exchange Rate Changes on Cash	444	(528)
Increase in Cash and Cash Equivalents	1,901	4,184
Cash and Cash Equivalents at Beginning of Period	29,366	24,741
Cash and Cash Equivalents at End of Period	31,267	28,925
Supplemental Disclosure of Cash Flow Information:
Interest paid	1,459	399
Income taxes paid	1,896	2,036
Non-Cash Investing Activities:
Purchase of property, plant and equipment on account	740	965
Conversion of CDR equity (note 3)	$ 0	$ 716