CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income including noncontrolling interest	$ 4,596	$ 2,642
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation (including capital lease amortization)	2,628	2,404
Amortization of purchased intangible assets	2,876	2,537
Amortization of capitalized debt issuance costs	157	383
Stock-based compensation	1,663	1,702
Deferred income tax benefit	(1,367)	(961)
Equity in earnings of joint ventures		(255)
Gain on step acquisition of joint ventures		(2,117)
Loss on disposal of property, plant and equipment	101
Change in:
Accounts receivable, net	(6,763)	8,142
Inventories	(11,114)	(1,841)
Prepaid expenses and other	(870)	(880)
Accounts payable	5,759	(1,494)
Customer advances	1,396	1,565
Accrued expenses and other liabilities	1,693	(2,132)
Net cash provided by operating activities	755	9,695
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of Austin Explosives Company		(3,544)
Step acquisition of joint ventures, net of cash acquired		(2,065)
Acquisition of property, plant and equipment	(2,286)	(1,445)
Change in other non-current assets	36	(125)
Net cash used in investing activities	(2,250)	(7,179)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment on syndicated term loans		(15,374)
Payment on Nord LB term loans	(421)	(399)
Borrowings on bank lines of credit, net	5,818	1,998
Payment on capital lease obligations	(156)	(146)
Payment of dividends	(1,062)	(1,033)
Contribution from noncontrolling stockholder	42
Net proceeds from issuance of common stock to employees and directors	99	70
Tax impact of stock-based compensation	(109)	2
Net cash provided by (used in) financing activities	4,211	(14,882)
EFFECTS OF EXCHANGE RATES ON CASH	325	(251)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	3,041	(12,617)
CASH AND CASH EQUIVALENTS, beginning of the period	4,572	22,411
CASH AND CASH EQUIVALENTS, end of the period	$ 7,613	$ 9,794