CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014
Operating Activities
Net income	$ 1,458,545	$ 3,196,388
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,902,386	1,666,843
Unrecognized pension and postretirement benefits	1,156,385	674,219
Loss on sale of equipment and other assets	17,734	84,785
Provision for doubtful accounts	26,626	51,330
Issuance of Common Stock for directors' fees	19,960	14,994
Changes in operating assets and liabilities:
Accounts receivable	(3,038,008)	(2,096,292)
Inventories	(724,353)	(120,992)
Prepaid expenses and other	513,110	378,211
Recoverable taxes receivable	380,000	0
Other assets	21,384	(96,529)
Accounts payable	1,099,021	1,137,942
Accrued compensation	(1,039,252)	(1,356,886)
Other accrued expenses	(440,315)	(391,757)
Net cash provided by operating activities	1,353,223	3,142,256
Investing Activities
Purchases of property, plant and equipment	(1,609,471)	(1,608,421)
Net cash used in investing activities	(1,609,471)	(1,608,421)
Financing Activities
Principal payments on long-term debt	(714,285)	(714,285)
Dividends paid	(1,373,724)	(1,368,927)
Net cash used in financing activities	(2,088,009)	(2,083,212)
Effect of exchange rate changes on cash	(169,871)	(61,671)
Net change in cash and cash equivalents	(2,514,128)	(611,048)
Cash and cash equivalents at beginning of period	15,834,444	19,988,361
Cash and cash equivalents at end of period	$ 13,320,316	$ 19,377,313