Florida Oncology Partners (Tables) (Florida Oncology Partners, LLC [Member])

6 Months Ended

Jun. 30, 2012

Florida Oncology Partners, LLC [Member]

Schedule of Equity Method Investments [Line Items]

Summarized financial information with respect to Florida Oncology Partners

Because the Company's interest in FOP may be considered to be significant relative to its other assets and operations, the following summarized financial information with respect to FOP is presented:

Florida Oncology Partners LLC Condensed Income Statement Information

	Six Months Ended
	June 30,
	2012		2011
Net sales	$	1,483,000	$	156,000
Net income (loss)	$	186,000	$	(287,000	)
USNC's equity in income (loss) of Florida Oncology Partners LLC	$	37,000	$	(57,000	)
	Three Months Ended
	June 30,
		2012		2011
Net sales	$	922,000	$	156,000
Net income (loss)	$	250,000	$	(287,000	)
USNC's equity in income (loss) of Florida Oncology Partners LLC	$	50,000	$	(57,000	)

Florida Oncology Partners LLC Condensed Balance Sheet Information

	June 30,		December 31,
		2012		2011
Current assets	$	973,000	$	1,297,000
Noncurrent assets		5,296,000		5,467,000
Total assets	$	6,269,000	$	6,764,000
Current liabilities	$	811,000	$	905,000
Noncurrent liabilities		4,607,000		4,944,000
Equity		851,000		915,000
Total liabilities and equity	$	6,269,000	$	6,764,000