CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012	Jun. 30, 2012
Current assets
Cash and cash equivalents	$ 31,543	$ 41,136	$ 26,447
Short-term investments	7,281		15,601
Accounts receivable	1,165	4,710	1,058
Inventories	25,208	22,971	18,103
Prepaid expenses and other current assets	10,061	6,966	6,518
Deferred tax asset	2,436	1,959	1,793
Total current assets	77,694	77,742	69,520
Property and equipment, net of accumulated depreciation of $28,205, $25,123 and $22,284	36,634	33,515	26,182
Goodwill	11,150	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	373	246	106
Total assets	142,425	149,585	133,711
Current liabilities
Merchandise accounts payable	13,518	13,715	10,054
Accrued expenses and other current liabilities	21,783	19,732	15,465
Total current liabilities	35,301	33,447	25,519
Other liabilities	9,989	10,494	7,392
Deferred tax liability	5,442	5,298	4,001
Total liabilities	50,732	49,239	36,912
Commitments and contingencies
Stockholders' equity
Common stock, $0.001 par value, 45,000,000 shares authorized, 16,655,023 shares issued and outstanding as of June 29, 2013, 16,302,007 shares issued and outstanding as of December 29, 2012 and 16,271,118 shares issued and outstanding as of June 30, 2012	17	16	16
Undesignated preferred stock, $0.001 par value, 5,000,000 shares authorized, no shares issued and outstanding
Additional paid-in capital	97,446	96,032	95,215
Accumulated (deficit) earnings	(5,773)	4,298	1,575
Accumulated other comprehensive income (expense), net of tax	3		(7)
Total stockholders' equity	91,693	100,346	96,799
Total liabilities and stockholders' equity	$ 142,425	$ 149,585	$ 133,711