Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Cash flows from operating activities:
Net income (loss)	$ 23,734	$ 20,097	$ (20,026)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,945	2,323	2,279
Deferred income tax	(6,278)	(284)	7,363
Excess tax benefit from stock-based compensation	(672)	(1,243)
Stock-based compensation	4,359	3,196	2,705
Changes in assets and liabilities:
Accounts receivable	13,538	(19,802)	(20,997)
Inventory	3,815	(12,312)	(7,162)
Prepaid expenses and other	(408)	2,378	3,487
Other non-current assets	(42)	(163)	(341)
Accounts payable	(16,506)	(214)	34,786
Accrued compensation and related benefits	(886)	1,311	57
Income taxes payable	672	1,242
Other current liabilities	(547)	(1,386)	(1,060)
Net cash provided by (used in) operating activities	23,724	(4,857)	1,091
Cash flows from investing activities:
Purchases of equipment and leasehold improvements	(3,983)	(3,817)	(738)
Proceeds from sale of equipment		46
Net cash used in investing activities	(3,983)	(3,771)	(738)
Cash flows from financing activities:
Proceeds from revolving credit facility	16,000	8,000	2,500
Proceeds from long-term loans		8,000	3,000
Principal payments on revolving credit facility	(16,000)		(5,778)
Principal payments on long-term debt and capital lease obligations	(3,923)	(2,453)	(3,100)
Excess tax benefit from stock-based compensation	672	1,243
Proceeds from issuance of common stock	1,011	1,795	102
Net cash provided by (used in) financing activities	(2,240)	16,585	(3,276)
Net increase (decrease) in cash	17,501	7,957	(2,923)
Cash and cash equivalents at beginning of year	34,654	26,697	29,620
Cash and cash equivalents at end of year	52,155	34,654	26,697
Supplemental cash flow information:
Income taxes paid	2,231	4,538
Interest paid	1,058	934	821
Non-cash investing and financing activities:
Restricted stock issued	3,095	1,275	334
Fixed asset purchases included in accounts payable	$ 25	$ 73	$ 37