Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 84,154	$ 80,305	$ 166,733	$ 155,215
Cost of goods sold	35,855	31,516	68,495	60,101
Gross profit	48,299	48,789	98,238	95,114
Operating expenses:
Selling, general and administrative expenses	46,242	44,773	91,691	88,492
Severance expense	465	1,224	1,210	1,650
Gain on sale of assets				(1,701)
Legal settlement				(550)
Operating income	1,592	2,792	5,337	7,223
Other income	63	23	79	39
Interest expense	(71)	(196)	(583)	(281)
Income from continuing operations before income taxes	1,584	2,619	4,833	6,981
Income tax expense	496	1,139	1,695	3,269
Income from continuing operations	1,088	1,480	3,138	3,712
Discontinued operations, net of income taxes	(22)	207	(52)	307
Net income	$ 1,066	$ 1,687	$ 3,086	$ 4,019
Basic income per share of common stock:
Continuing operations	$ 0.13	$ 0.17	$ 0.37	$ 0.44
Discontinued operations	$ (0.01)	$ 0.03	$ (0.01)	$ 0.03
Net income per share	$ 0.12	$ 0.20	$ 0.36	$ 0.47
Diluted income per share of common stock:
Continuing operations	$ 0.13	$ 0.17	$ 0.36	$ 0.44
Discontinued operations	$ (0.01)	$ 0.03	$ 0.00	$ 0.03
Net income per share	$ 0.12	$ 0.20	$ 0.36	$ 0.47
Basic weighted average shares outstanding	8,550	8,522	8,541	8,522
Dilutive effect of stock based compensation	60	7	67	4
Diluted weighted average shares outstanding	8,610	8,529	8,608	8,526
Cash dividends declared per share of common stock	$ 0.12	$ 0.06	$ 0.24	$ 0.12