Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 15,302	$ 16,448
Accounts receivable, net of allowances of $316 at March 31, 2013 and $326 at December 31, 2012	9,357	9,048
Inventories	11,265	10,859
Prepaid expenses and other current assets	2,804	2,776
Total current assets	38,728	39,131
Property and equipment, net	5,379	4,544
Goodwill	13,749	13,749
Other intangibles, net	4,965	5,191
Deferred tax assets	262	273
Other assets	163	172
Total assets	63,246	63,060
Current liabilities:
Accounts payable	929	1,060
Accrued expenses	6,470	6,777
Acquisition-related obligations	475	557
Total current liabilities	7,874	8,394
Deferred tax liabilities	1,673	1,673
Other long-term liabilities	361	105
Total liabilities	9,908	10,172
Stockholders' equity:
Preferred stock, $0.01 par value; authorized 3,000,000 shares; none outstanding
Common stock, $0.01 par value; authorized 37,000,000 shares; issued 16,585,516 shares at March 31, 2013, and 16,539,621 shares at December 31, 2012	166	165
Additional paid-in capital	64,683	64,694
Accumulated deficit	(3,024)	(3,869)
Accumulated other comprehensive loss	(728)	(433)
Treasury stock, at cost; 1,339,091 shares at March 31, 2013, and 1,323,537 shares at December 31, 2012	(7,759)	(7,669)
Total stockholders' equity	53,338	52,888
Total liabilities and stockholders' equity	$ 63,246	$ 63,060