CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Operating Activities
Net income	$ 1,502,885	$ 1,005,248
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Depreciation and amortization	823,320	949,554
Loss on sale of equipment and other assets	85,623	3,815
Provision for doubtful accounts	27,374	24,158
Issuance of Common Stock for directors' fees	7,490	4,614
Changes in operating assets and liabilities:
Accounts receivable	(1,993,182)	(77,541)
Inventories	299,770	(370,921)
Prepaid expenses and other	(176,412)	(307,029)
Prepaid pension cost	539,852	664,775
Recoverable taxes receivable	0	750,000
Other assets	(48,591)	(47,063)
Accounts payable	1,048,202	7,411
Accrued compensation	(1,640,177)	(2,037,828)
Other accrued expenses	(62,850)	136,841
Net cash provided by operating activities	413,304	706,034
Investing Activities
Purchases of property, plant and equipment	(690,041)	(1,256,623)
Net cash used in investing activities	(690,041)	(1,256,623)
Financing Activities
Principal payments on long-term debt	(357,142)	(357,143)
Dividends paid	(684,438)	(621,975)
Net cash used in financing activities	(1,041,580)	(979,118)
Effect of exchange rate changes on cash	(151,708)	(60,494)
Net change in cash and cash equivalents	(1,470,025)	(1,590,201)
Cash and cash equivalents at beginning of period	19,988,361	18,482,144
Cash and cash equivalents at end of period	$ 18,518,336	$ 16,891,943