Segments and Geographic Area (Summary Significant Customers) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Net sales	$ 6,548,991	$ 7,494,068	$ 12,617,370	$ 14,031,951
Nutritional Products [Member]
Segment Reporting Information [Line Items]
Net sales	4,731,000	5,702,000	9,352,000	10,517,000
Medical Products [Member]
Segment Reporting Information [Line Items]
Net sales	1,818,000	1,792,000	3,265,000	3,515,000
Coral Club International, Inc. [Member] | Nutritional Products [Member]
Segment Reporting Information [Line Items]
Net sales	2,649,000	2,980,000	5,385,000	6,037,000
Medical/Surgical Dealer [Member] | Medical Products [Member]
Segment Reporting Information [Line Items]
Net sales	$ 1,110,000	$ 1,078,000	$ 1,900,000	$ 2,148,000