Consolidated Statements of Comprehensive Income (USD $)	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 7,661,476us-gaap_NetIncomeLoss	$ 6,901,921us-gaap_NetIncomeLoss	$ 8,625,800us-gaap_NetIncomeLoss
Other comprehensive (loss)/income -
Change in foreign currency translation	(1,128,327)	(656,972)	533,291
Change in pension and postretirement benefit costs, net of income taxes (expense)/benefit of $5,767,236 in 2014, ($3,437,175) in 2013 and $2,053,255 in 2012	(10,386,089)	6,254,558	(3,712,466)
Total other comprehensive (loss)/income	(11,514,416)	5,597,586	(3,179,175)
Comprehensive (loss)/income	$ (3,852,940)us-gaap_ComprehensiveIncomeNetOfTax	$ 12,499,507us-gaap_ComprehensiveIncomeNetOfTax	$ 5,446,625us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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