Segments and Geographic Area (Summary Significant Customers) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting Information [Line Items]
Net sales	$ 5,691,181	$ 6,068,379
Nutritional Products [Member]
Segment Reporting Information [Line Items]
Net sales	4,330,000	4,621,000
Medical Products [Member]
Segment Reporting Information [Line Items]
Net sales	1,361,000	1,447,000
Coral Club International, Inc. [Member] | Nutritional Products [Member]
Segment Reporting Information [Line Items]
Net sales	2,518,000	2,736,000
Medical/Surgical Dealer [Member] | Medical Products [Member]
Segment Reporting Information [Line Items]
Net sales	$ 617,000	$ 790,000