CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Cash flows from operating activities:
Net income (loss)	$ (1,343,406)	$ 2,303,806
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation and amortization	980,005	871,046
Provision for losses on doubtful receivables		73,076
Deferred income taxes	92,601	1,315,209
Stock-based compensation expense	101,201	80,094
Gain on sale of discontinued operations	(127,994)
(Gain) loss on sale of property, plant and equipment, net	23,924	(398,206)
Changes in operating assets and liabilities	(609,373)	(4,529,487)
Net cash used in operating activities	(883,042)	(284,462)
Cash flows from investing activities:
Proceeds from sale of discontinued operations	3,884,656
Additions to property, plant and equipment	(686,450)	(1,673,417)
Proceeds from sale of property, plant and equipment	9,613	1,229,753
Proceeds from sale of investments		1,289
Purchases of investments	(5,270)
Net cash provided by (used in) investing activities	3,202,549	(442,375)
Cash flows from financing activities:
Proceeds from revolving line of credit and other long-term debt		21,208,662
Repayments of revolving line of credit and other long-term debt	(166,667)	(20,512,686)
Payment of debt issuance costs		(41,575)
Proceeds from exercise of stock options	48,332	41,588
Net cash provided by (used in) financing activities	(118,335)	695,989
Change in cash and cash equivalents	2,201,172	(30,848)
Cash and cash equivalents, beginning of period	3,894,277	59,056
Cash and cash equivalents, end of period	$ 6,095,449	$ 28,208