CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 1,056	$ 1,722
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,213	1,149
Amortization	2	17
Provision for bad debts	(20)	18
Deferred income taxes	556	39
Excess income tax benefit from exercise of stock options	(394)	(43)
Share-based compensation expense	194	222
Loss on disposition of equipment	20	2
Change in operating assets and liabilities:
Accounts receivable	(185)	(1,918)
Inventories	4,998	3,664
Other assets and liabilities	85	1,030
Accounts payable and accrued liabilities	2,232	(1,119)
Net cash provided by operating activities	9,757	4,783
Cash flows from investing activities:
Purchase of equipment	(3,449)	(1,695)
Net cash used in investing activities	(3,449)	(1,695)
Cash flows from financing activities:
Net repayments on line of credit	(10,117)	(2,594)
Payments made on capital lease obligations	(121)	(128)
Borrowings on equipment term loan	8,500
Payments made on long-term debt	(290)	(305)
Payment of deferred financing fees	(78)
Excess income tax benefit from exercise of stock options	394	43
Payment of payroll taxes on stock-based compensation through shares withheld	(426)	(26)
Net cash used in financing activities	(2,138)	(3,010)
Net increase in cash and cash equivalents	4,170	78
Cash and cash equivalents at beginning of period	419	664
Cash and cash equivalents at end of period	4,589	742
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	(298)	(234)
Cash refunded during the period for income taxes	$ 13	$ 76