Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Operating activities
Net income	$ 776,590	$ 1,358,969
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	952,660	954,110
Stock-based compensation	41,745	102,465
Contribution of treasury shares to ESOP	125,000	125,000
Non-cash gain on loan modification	0	(410,320)
Deferred income taxes	(137,000)	95,977
Foreign currency transaction (gain)/loss	126,188	(21,139)
(Increase) decrease in accounts receivable	84,248	115,334
(Increase) decrease in inventories	(3,500)	(468,297)
(Increase) decrease in refundable income taxes	11,151	83,095
(Increase) decrease in prepaid expenses and other current assets	(23,393)	(73,173)
(Increase) decrease in other assets	(71,748)	(20,561)
Increase (decrease) in income taxes payable	199,558	0
Increase (decrease) in accounts payable & accrued expenses and other non-current liabilities	508,761	626,678
Net cash provided by operating activities	2,590,260	2,468,138
Investing activities
Proceeds from sale of property, plant, and equipment	3,231	39,910
Purchase of property, plant, and equipment	(382,580)	(524,984)
Purchase of note and mortgage secured by underlying property	0	(2,000,000)
Payments received on distributor note receivable	78,954	0
Acquisition of lunasin technology license	(1,150,000)	0
Payment of life insurance premiums	(320,343)	(300,667)
Net cash used in investing activities	(1,770,738)	(2,785,741)
Financing activities
Proceeds from revolving line of credit borrowings	1,150,000	0
Principal payments on long-term borrowings	(630,246)	(709,785)
Common stock dividends paid	(378,576)	(375,552)
Proceeds from warrants exercised	13,668	0
Purchase of stock for treasury	(5,364)	(71,093)
Net cash provided by (used in) financing activities	149,482	(1,156,430)
Effect of exchange rate changes on cash and cash equivalents	(113,248)	100,862
Increase (decrease) in cash and cash equivalents	855,756	(1,373,171)
Cash and cash equivalents at beginning of year	5,801,042	7,174,213
Cash and cash equivalents at end of year	6,656,798	5,801,042
Supplemental disclosures of cash flow information:
Cash paid during the year for Interest	74,767	99,906
Cash paid during the year for Income taxes	579,000	597,000
Noncash investing and financing transactions:
Obligation for acquisition of lunasin technology license	$ 850,000	$ 0