CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Operating Activities
Net income	$ 648,073	$ 873,951
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	928,136	959,857
Unrecognized pension & postretirement benefits	851,929	848,173
Loss on sale of equipment and other assets	19,780	0
Issuance of Common Stock for directors' fees	39,601	7,498
Changes in operating assets and liabilities:
Accounts receivable	(339,041)	(2,317,994)
Inventories	1,254,683	33,403
Prepaid expenses and other	(127,991)	(140,975)
Recoverable income taxes receivable	0	380,000
Other assets	(19,977)	57,208
Accounts payable	(1,336,219)	(14,302)
Accrued compensation	(1,099,262)	(1,349,334)
Other accrued expenses	(161,982)	989,385
Net cash provided by operating activities	657,730	326,870
Investing Activities
Purchases of property, plant and equipment	(338,270)	(820,161)
Net cash used in investing activities	(338,270)	(820,161)
Financing Activities
Principal payments on long-term debt	(714,285)	(357,142)
Dividends paid	(687,439)	(686,841)
Net cash used in financing activities	(1,401,724)	(1,043,983)
Effect of exchange rate changes on cash	(4,636)	(161,879)
Net change in cash and cash equivalents	(1,086,900)	(1,699,153)
Cash and cash equivalents at beginning of period	17,814,986	15,834,444
Cash and cash equivalents at end of period	$ 16,728,086	$ 14,135,291