CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014
Cash flows from operating activities:
Net income	$ 9,076,677	$ 5,380,991
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	2,698,741	2,834,556
Deferred income taxes	(29,138)	433,153
Stock-based compensation expense	572,173	356,961
Gain on sale of discontinued operations		(127,994)
(Gain) loss on sale of property, plant and equipment, net	(168,480)	111,508
Changes in operating assets and liabilities	(10,965,706)	(2,672,061)
Net cash provided by operating activities	1,184,267	6,317,114
Cash flows from investing activities:
Proceeds from sale of discontinued operations		3,884,656
Additions to property, plant and equipment	(3,500,431)	(2,901,331)
Proceeds from sale of property, plant, and equipment	408,834	803,976
Proceeds from sale of investments	1,029,000	3,175,591
Purchases of investments	(92,330)	(3,216,041)
Net cash provided by (used in) investing activities	(2,154,927)	1,746,851
Cash flows from financing activities:
Proceeds from revolving line of credit and other long-term debt	38,570,153
Repayments of revolving line of credit and other long-term debt	(39,070,151)	(500,001)
Payments of cash dividends	(1,829,027)	(413,326)
Treasury Stock Purchased	(157,308)
Proceeds from exercise of stock options	528,033	398,594
Net cash used in financing activities	(1,958,300)	(514,733)
Change in cash and cash equivalents	(2,928,960)	7,549,232
Cash and cash equivalents, beginning of period	11,636,988	3,894,277
Cash and cash equivalents, end of period	$ 8,708,028	$ 11,443,509