Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Operating activities
Net income	$ 1,358,969	$ 1,048,157
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	954,110	1,109,088
Stock-based compensation	102,465	169,413
Contribution of treasury shares to ESOP	125,000	125,000
Non-cash gain on loan modification	(410,320)	0
Deferred income taxes	95,977	(78,000)
Foreign currency transaction (gain)/loss	(21,139)	29,368
(Increase) decrease in accounts receivable	115,334	(40,256)
(Increase) decrease in inventories	(468,297)	899,821
(Increase) decrease in refundable income taxes	83,095	(34,047)
(Increase) decrease in prepaid expenses and other current assets	(73,173)	(90,527)
(Increase) decrease in other assets	(20,561)	46,165
Increase (decrease) in accounts payable & accrued expenses and other non-current liabilities	626,678	(391,809)
Net cash provided by operating activities	2,468,138	2,792,373
Investing activities
Proceeds from sale of property, plant, and equipment	39,910	13,737
Purchase of property, plant, and equipment	(524,984)	(414,170)
Purchase of note and mortgage secured by underlying property	(2,000,000)	0
Payment of life insurance premiums	(300,667)	(279,402)
Net cash used in investing activities	(2,785,741)	(679,835)
Financing activities
Principal payments on long-term borrowings	(709,785)	(566,595)
Common stock dividends paid	(375,552)	(497,585)
Purchase of stock for treasury	(71,093)	(120,378)
Net cash used in financing activities	(1,156,430)	(1,184,558)
Effect of exchange rate changes on cash and cash equivalents	100,862	(84,805)
Increase (decrease) in cash and cash equivalents	(1,373,171)	843,175
Cash and cash equivalents at beginning of year	7,174,213	6,331,038
Cash and cash equivalents at end of year	5,801,042	7,174,213
Supplemental disclosures of cash flow information:
Interest	99,906	139,015
Income taxes	$ 597,000	$ 789,000