Segments and Geographic Area (Summary of Segment Information) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 segment	Sep. 30, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Number of Operating Segments			2
Net sales	$ 6,639,767	$ 6,713,068	$ 19,025,267	$ 19,330,438
Depreciation and amortization	147,000	146,000	441,593	428,710
Operating profit (loss)	(138,520)	(535,880)	(312,952)	(97,605)
Purchase of property and equipment	0	100,000	11,292	805,131
Total assets	18,839,656	17,730,000	18,839,656	17,730,000	18,014,421
Nutritional Products [Member]
Segment Reporting Information [Line Items]
Net sales	4,999,000	5,301,000	14,431,000	14,652,000
Depreciation and amortization	132,000	127,000	395,000	370,000
Operating profit (loss)	(203,000)	(453,000)	(360,000)	(210,000)
Purchase of property and equipment	0	100,000	11,000	805,000
Total assets	15,683,000	14,901,000	15,683,000	14,901,000
Medical Products [Member]
Segment Reporting Information [Line Items]
Net sales	1,640,000	1,412,000	4,594,000	4,678,000
Depreciation and amortization	15,000	19,000	46,000	59,000
Operating profit (loss)	64,000	(83,000)	47,000	112,000
Purchase of property and equipment	0	0	0	0
Total assets	$ 3,157,000	$ 2,829,000	$ 3,157,000	$ 2,829,000
Minimum [Member] | Nutritional Products [Member]
Segment Reporting Information [Line Items]
Number of products			100
Minimum [Member] | Medical Products [Member]
Segment Reporting Information [Line Items]
Number of products			40