CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011
Cash flows from operating activities:
Net income (loss)	$ 11,449,408	$ (1,095,318)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation and amortization	2,363,367	3,445,340
Issuance of treasury stock		2,184,000
Provision for losses on doubtful receivables	30,034	111,704
Stock-based compensation expense	216,834	458,096
Gains on sale of property, plant and equipment, net	(362,098)	(329,426)
Changes in operating assets and liabilities	(5,752,283)	5,198,025
Net cash from operating activities	7,945,262	9,972,421
Cash flows from investing activities:
Additions to property, plant and equipment	(5,354,288)	(1,427,019)
Proceeds from sale of property, plant and equipment	4,213,153	494,250
Purchases of investments	(11,635)
Proceeds from sale of investments		270,565
Decrease in other assets	129,878	6,559
Net cash from investing activities	(1,022,892)	(655,645)
Cash flows from financing activities:
Proceeds from revolving line of credit and other long-term debt	226,248,425	75,485,413
Repayments of revolving line of credit and other long-term debt	(229,906,247)	(85,766,966)
Proceeds from exercise of stock options	88,515	48,585
Net cash from financing activities	(3,569,307)	(10,232,968)
Change in cash and cash equivalents	3,353,063	(916,192)
Cash and cash equivalents, beginning of period	106,833	1,050,047
Cash and cash equivalents, end of period	$ 3,459,896	$ 133,855