Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 6,640	$ 7,868
Trade accounts receivable, net of allowance of $198 at June 30, 2012 and $359 at December 31, 2011	49,004	42,720
Inventories	56,446	51,081
Prepaid expenses and other current assets	2,904	2,595
Deferred income taxes	3,826	4,085
Total current assets	118,820	108,349
Property, plant and equipment, net	30,531	27,340
Goodwill	49,102	49,102
Intangible assets, net	16,654	17,642
Other assets	2,034	2,173
Total assets	217,141	204,606
Current liabilities:
Accounts payable	11,262	13,224
Accrued expenses	12,364	10,837
Current income taxes	2,098	271
Current installments of long-term debt	132	29
Total current liabilities	25,856	24,361
Long-term liabilities:
Long-term debt, less current installments	854	0
Other long-term liabilities	3,522	3,541
Deferred income taxes	7,779	8,919
Total long-term liabilities	12,155	12,460
Shareholders' equity:
Common stock, $0.02 par value per share; authorized 28,000,000 shares: issued 12,109,299 and 12,123,992 shares at June 30, 2012 and December 31, 2011, respectively	242	242
Preferred stock, $0.02 par value per share; authorized 2,000,000 shares; none issued at either date	0	0
Additional paid-in capital	75,720	74,823
Treasury stock, at cost, 133,020 shares at June 30, 2012 and 249,082 shares at December 31, 2011	(631)	(1,182)
Retained earnings	103,799	93,902
Total shareholders' equity	179,130	167,785
Total liabilities and shareholders' equity	$ 217,141	$ 204,606