CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 7,868	$ 1,947
Trade accounts receivable, net	42,720	34,006
Inventories	51,081	45,148
Prepaid expenses and other current assets	2,595	2,729
Deferred income taxes	4,085	3,846
Total current assets	108,349	87,676
Property, plant and equipment, net	27,340	21,346
Goodwill	49,102	49,102
Intangible assets, net	17,642	20,827
Other assets	2,173	898
Total assets	204,606	179,849
Current liabilities:
Accounts payable	13,224	7,898
Accrued expenses	10,875	11,246
Short-term deferred gain on sale of real estate	233	233
Current installments of long-term debt and capital lease obligations	29	181
Total current liabilities	24,361	19,558
Long-term deferred gain on sale of real estate	2,840	3,073
Long-term debt and capital lease obligations, less current installments	0	28
Long-term deferred revenue	701	0
Deferred income taxes	8,919	7,427
Total long-term liabilities	12,460	10,528
Shareholders' equity:
Common stock, $0.02 par value per share; authorized 28,000,000 shares; issued 12,123,992 and 12,075,030 shares at December 31, 2011 and December 31, 2010, 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	74,823	73,440
Treasury stock, at cost, 249,082 shares at December 31, 2011 and 301,772 shares at December 31, 2010	(1,182)	(1,432)
Retained earnings	93,902	77,513
Total shareholders' equity	167,785	149,763
Total liabilities and shareholders' equity	$ 204,606	$ 179,849