Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities:
Net earnings	$ 8,963	$ 12,255
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	6,260	5,780
Loss on disposition of fixed assets	42	281
Unrealized loss on interest rate swaps	(25)	237
Amortization of stock-based compensation expense	573	1,230
Amortization of deferred financing costs	86	77
Deferred taxes	(561)	(1,885)
Changes in Operating Assets and Liabilities:
Receivables, net	64	(2,469)
Prepaid expenses and other assets	(1,938)	1,644
Accounts payable	(273)	(849)
Accrued liabilities	1,972	(890)
Inventories	(8)	11
Other operating assets	(20)	0
Other operating liabilities	4	7
Accrued payroll	356	27
Taxes payable	63	(1,026)
Contingent liability payment	0	(159)
Net cash provided by operating activities	15,558	14,271
Cash Flows used in Investing Activities:
Purchases of property and equipment	(5,020)	(15,332)
Restricted cash held for purchase of Apex acquisition (note 3)	(23,175)	0
Proceeds from disposition of assets	10	696
Net cash used in investing activities	(28,185)	(14,636)
Cash Flows provided by Financing Activities:
Proceeds from borrowings	22,788	11,243
Principal repayments	(3,668)	(4,484)
Distribution to non-controlling interest	(1,896)	(507)
Payment of deferred financing costs	(209)	0
Proceeds from exercise of stock options	97	89
Net cash provided by financing activities	17,112	6,341
Effect of Exchange Rate Changes on Cash	(885)	(918)
Increase in Cash and Cash Equivalents	3,600	5,058
Cash and Cash Equivalents at Beginning of Period	29,366	24,741
Cash and Cash Equivalents at End of Period	32,966	29,799
Supplemental Disclosure of Cash Flow Information:
Interest paid	2,124	947
Income taxes paid	2,639	2,155
Non-Cash Investing Activities:
Purchase of property, plant and equipment on account	324	1,053
Assets acquired under capital lease obligation	502	0
Conversion of CDR equity (note 1)	$ 0	$ 716