Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating activities:
Net income	$ 9,897	$ 8,235
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,813	3,570
Intangible asset impairment	0	1,163
Contingent consideration write-off	0	(1,235)
Inventory reserves	(241)	577
Restricted stock compensation	743	558
Deferred taxes	(1,140)	0
Other noncash items	(135)	287
Changes in operating assets and liabilities:
Trade accounts receivable	(6,437)	(4,077)
Inventories	(5,124)	(4,033)
Prepaid expenses and other assets	(207)	(17)
Current income taxes	2,393	1,290
Accounts payable	(1,673)	1,889
Accrued expenses	2,060	1,155
Net cash provided by operating activities	3,949	9,362
Investing activities:
Additions to property, plant and equipment	(6,345)	(4,592)
Other, net	38	8
Net cash used by investing activities	(6,307)	(4,584)
Financing activities:
Advances from long-term debt and notes payable	997	0
Principal payments on long-term debt and notes payable	(40)	(116)
Changes in outstanding checks in excess of bank deposits	0	1,000
Other, net	173	(78)
Net cash provided by financing activities	1,130	806
Net (decrease) increase in cash and cash equivalents	(1,228)	5,584
Cash and cash equivalents, beginning of year	7,868	1,947
Cash and cash equivalents, end of quarter	$ 6,640	$ 7,531