Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flows from Operating Activities:
Net earnings	$ 1,662	$ 1,133
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	1,191	1,178
Loss on disposition of fixed assets	1	6
Amortization of stock-based compensation	2	4
Amortization of deferred financing costs	21	24
Deferred tax expense	(88)	72
Earnings from equity investment	96	(155)
Changes in Operating Assets and Liabilities:
Receivables	(195)	71
Prepaid expenses and other assets	28	(162)
Accounts payable and accrued liabilities	204	(696)
Inventories	9	(33)
Other operating assets	3	(42)
Accrued payroll	(518)	(58)
Taxes payable	(1,229)	(578)
Net cash provided by operating activities	1,187	764
Cash Flows from Investing Activities:
Purchases of property and equipment	(336)	(644)
Proceeds from disposition of assets	12	1
Funds advanced for projects	(500)	0
Net cash used in investing activities	(824)	(643)
Cash Flows from Financing Activities:
Proceeds from borrowings	7,249	0
Principal repayments	(60)	(2,511)
Net cash provided by (used in) financing activities	7,189	(2,511)
Effect of Exchange Rate Changes on Cash	(193)	69
Increase (Decrease) in Cash and Cash Equivalents	7,359	(2,321)
Cash and Cash Equivalents at Beginning of Period	24,747	25,192
Cash and Cash Equivalents at End of Period	32,106	22,871
Supplemental Disclosure of Cash Flow Information:
Interest paid	62	137
Income taxes paid	$ 745	$ 27