Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 segment	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Property, Plant and Equipment [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ 40,000	$ (45,000)
Cash and cash equivalents	3,896,087	3,858,544	4,220,152	3,972,111
Intangible Assets useful life	19 years
Cash deposit required from third-party licensees at time of order (percent)	50.00%
Cash deposit required from third-party licensees when ready to ship, percent of order	50.00%
Royalty revenue	2,003,000	2,085,000	2,192,000
Distributor commissions	272,000	273,000	261,000
Fair value of fixed-rate long-term debt	1,713,163	1,931,000
Amount fair value exceeds carrying value	167,664	203,000
Carrying amount of fixed-rate long-term debt	1,545,499	1,728,000
Number of operating segments	2
Advertising expense	117,000	64,000	57,000
Nutritional Products [Member]
Property, Plant and Equipment [Line Items]
Duration resaleable returned items are fully refunded	1 year
Refund percent of sales price	100.00%
Restocking fee (percent)	10.00%
Medical Products [Member]
Property, Plant and Equipment [Line Items]
Duration resaleable returned items are fully refunded	6 months
Refund percent of sales price	100.00%
Restocking fee (percent)	25.00%
TAIWAN, PROVINCE OF CHINA | Foreign Currency [Member]
Property, Plant and Equipment [Line Items]
Cash and cash equivalents	322,000	106,000
Canada [Member] | Foreign Currency [Member]
Property, Plant and Equipment [Line Items]
Cash and cash equivalents	$ 71,000	$ 47,000
Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful lives	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful lives	25 years