Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011
Cash flows from operating activities:
Net income	$ 2,642	$ 1,119
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	2,931	2,972
Share-based compensation expense	159	195
Other	182	78
Changes in assets and liabilities:
Accounts and notes receivable	944	479
Prepaid expenses and other current assets	(460)	(22)
Accounts payable	(288)	(980)
Accrued expenses and other current liabilities	1,188	(438)
Other, net	(328)	(393)
Net cash provided by operating activities	6,970	3,010
Cash flows from investing activities:
Purchase of property and equipment	(1,487)	(1,510)
Other investing activities	(73)	(16)
Net cash used in investing activities	(1,560)	(1,526)
Cash flows from financing activities:
Payments on debt and obligations under capital leases	(550)	(596)
Other financing activities	33	55
Net cash used in financing activities	(517)	(541)
Increase in cash and cash equivalents	4,893	943
Cash and cash equivalents at beginning of period	7,917	8,602
Cash and cash equivalents at end of period	12,810	9,545
Supplemental disclosures of non-cash items:
Property and equipment obligations accrued at beginning of period	226	549
Property and equipment obligations accrued at end of period	$ 854	$ 531