Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Operating Activities
Net income	$ 5,727,043	$ 7,661,476	$ 6,901,921
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,921,438	3,486,302	3,825,286
Unrecognized pension & postretirement benefits	1,384,605	(175,687)	95,728
Loss on sale of equipment and other assets	49,796	69,258	116,327
Provision for doubtful accounts	9,459	37,601	106,485
Issuance of Common Stock for directors' fees	64,992	29,994	22,505
Changes in operating assets and liabilities:
Accounts receivable	(852,168)	(207,631)	1,776,744
Inventories	(3,095,801)	(2,825,155)	(1,400,893)
Prepaid expenses	483,178	593,075	308,653
Recoverable taxes receivable	380,000	(380,000)	1,158,632
Other assets	(106,081)	(156,164)	(76,426)
Accounts payable	1,182,124	998,502	(253,994)
Accrued compensation	28,426	185,724	(626,385)
Other accrued expenses	(43,582)	29,889	(637,547)
Net cash provided by operating activities	9,133,429	9,347,184	11,317,036
Investing Activities
Purchases of property, plant and equipment	(2,538,236)	(3,633,165)	(5,523,742)
Proceeds from sale of equipment and other assets	25,000	22,500	2,839
Business acquisitions	0	(5,034,289)	0
Net cash used in investing activities	(2,513,236)	(8,644,954)	(5,520,903)
Financing Activities
Principal payments on long-term debt	(1,071,428)	(1,785,714)	(1,428,571)
Proceeds from sales of Common Stock	0	271,600	13,580
Tax benefit from disqualifying dispositions of incentive stock options	0	8,882	0
Dividends paid	(2,810,669)	(2,987,480)	(2,612,839)
Net cash used in financing activities	(3,882,097)	(4,492,712)	(4,027,830)
Effect of exchange rate changes on cash	(757,554)	(363,435)	(262,086)
Net change in cash and cash equivalents	1,980,542	(4,153,917)	1,506,217
Cash and cash equivalents at beginning of year	15,834,444	19,988,361	18,482,144
Cash and cash equivalents at end of year	$ 17,814,986	$ 15,834,444	$ 19,988,361