CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Cash flows from operating activities:
Cash received from customers	$ 20,724	$ 23,960
Cash paid to suppliers and employees	(22,853)	(30,909)
Interest received, net	3	18
Income taxes paid, net		(96)
Net cash used by operating activities	(2,126)	(7,027)
Cash flows from investing activities:
Sale of short-term securities	5,000	5,000
Capital expenditures	(51)	(1,151)
Purchase of other assets	(44)	(761)
Net cash provided by investing activities	4,905	3,088
Cash flows from financing activities:
Purchase and retirement of common stock		(353)
Capital lease payments	(33)	(33)
Net cash used by financing activities	(33)	(386)
Net increase (decrease) in cash	2,746	(4,325)
Cash at beginning of period	7,218	10,930
Cash at end of period	9,964	6,605
Reconciliation of net loss to net cash used by operating activities:
Net loss	(4,410)	(2,094)
Depreciation and amortization	601	448
Stock-based compensation	223	247
Other, net	233
Changes in assets and liabilities:
Accounts receivable	(756)	(2,043)
Inventories	1,224	(287)
Prepaid expenses and other current assets	419	(88)
Accounts payable	(214)	(2,962)
Accrued salaries, wages and benefits	(452)	(721)
Other accrued expenses	231	(79)
Other assets	729	649
Other long-term liabilities	46	(97)
Net cash used by operating activities	$ (2,126)	$ (7,027)