CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012	Mar. 31, 2012
Current assets
Cash and cash equivalents	$ 37,146	$ 41,136	$ 24,608
Short-term investments	6,293		19,871
Accounts receivable	3,665	4,710	1,098
Inventories	26,756	22,971	22,530
Prepaid expenses and other current assets	6,026	6,966	4,885
Deferred tax asset	1,905	1,959	1,659
Total current assets	81,791	77,742	74,651
Property and equipment, net of accumulated depreciation and amortization of $26,544, $25,123 and $21,089	34,446	33,515	23,229
Goodwill	21,508	21,508	21,508
Intangible assets, net of accumulated amortization of $3,810, $3,810 and $3,810	16,574	16,574	16,395
Other assets	299	246	101
Total assets	154,618	149,585	135,884
Current liabilities
Merchandise accounts payable	15,724	13,715	16,741
Accrued expenses and other current liabilities	20,210	19,732	15,665
Total current liabilities	35,934	33,447	32,406
Other liabilities	10,001	10,494	7,482
Deferred tax liability	5,354	5,298	3,966
Total liabilities	51,289	49,239	43,854
Commitments and contingencies
Stockholders' equity
Common stock, $0.001 par value, 45,000,000 shares authorized, 16,435,685 shares issued and outstanding as of March 30, 2013, 16,302,007 shares issued and outstanding as of December 29, 2012 and 16,154,243 shares issued and outstanding as of March 31, 2012	16	16	16
Undesignated preferred stock, $0.001 par value, 5,000,000 shares authorized, no shares issued and outstanding
Additional paid-in capital	96,315	96,032	93,724
Accumulated earnings (deficit)	6,998	4,298	(1,710)
Total stockholders' equity	103,329	100,346	92,030
Total liabilities and stockholders' equity	$ 154,618	$ 149,585	$ 135,884