CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011
Cash flows from operating activities:
Net income	$ 3,344,918	$ 2,266,066
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	2,277,574	2,184,203
Amortization	31,701	33,048
Provision for bad debts	(7,081)	23,583
Deferred income taxes	282,579	70,446
Excess income tax benefit from exercise of stock options	(103,679)
Share-based compensation expense	584,077	545,210
Loss on disposition of equipment	3,156	2,570
Change in operating assets and liabilities:
Accounts receivable	477,700	(5,302,755)
Inventories	5,941,769	(3,440,962)
Other assets and liabilities	767,556	700,370
Accounts payable and accrued liabilities	(2,844,128)	6,470,070
Net cash provided by operating activities	10,756,142	3,551,849
Cash flows from investing activities:
Purchase of equipment	(4,650,819)	(6,564,931)
Net cash used in investing activities	(4,650,819)	(6,564,931)
Cash flows from financing activities:
Net (repayments) borrowings on line of credit	(4,155,758)	4,066,264
Proceeds from exercise of stock options	81,200	73,680
Payments made on capital lease obligations	(254,856)	(249,823)
Proceeds from capital lease financing		139,130
Payments made on long-term debt	(1,945,028)	(600,248)
Excess income tax benefit from exercise of stock options	103,679
Payment of payroll taxes on stock-based compensation through shares withheld	(25,949)
Net cash (used in) provided by financing activities	(6,196,712)	3,429,003
Net (decrease) increase in cash and cash equivalents	(91,389)	415,921
Cash and cash equivalents at beginning of period	664,488	980,547
Cash and cash equivalents at end of period	573,099	1,396,468
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	442,415	424,130
Cash paid during the period for income taxes	953,384	1,288,215
Supplemental disclosures of non-cash investing and financing transactions:
Capital lease obligations incurred for the acquisition of property and equipment		$ 68,000