BUSINESS COMBINATIONS (Details) (USD $)	3 Months Ended				3 Months Ended					3 Months Ended			3 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended		3 Months Ended		3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Feb. 01, 2013	Dec. 31, 2012	Mar. 31, 2013 All current acquirees [Member]	Mar. 31, 2012 All current acquirees [Member]	Mar. 31, 2013 InfuScience, Inc. [Member]	Mar. 31, 2012 InfuScience, Inc. [Member]	Jul. 31, 2012 InfuScience, Inc. [Member] M	Mar. 31, 2013 HomeChoice Partners, Inc. [Member]	Feb. 01, 2013 HomeChoice Partners, Inc. [Member] Y	Feb. 01, 2013 HomeChoice Partners, Inc. [Member]	Mar. 31, 2013 Minimum [Member] HomeChoice Partners, Inc. [Member]	Mar. 31, 2013 Maximum [Member] HomeChoice Partners, Inc. [Member]	Feb. 01, 2013 Customer Relationships [Member] HomeChoice Partners, Inc. [Member]	Mar. 31, 2013 Customer Relationships [Member] Minimum [Member]	Dec. 31, 2012 Customer Relationships [Member] Minimum [Member]	Mar. 31, 2013 Customer Relationships [Member] Maximum [Member]	Dec. 31, 2012 Customer Relationships [Member] Maximum [Member]	Dec. 31, 2012 infustion trademarks [Member]	Mar. 31, 2013 infustion trademarks [Member] HomeChoice Partners, Inc. [Member]	Feb. 01, 2013 infustion trademarks [Member] HomeChoice Partners, Inc. [Member]	Mar. 31, 2013 infustion trademarks [Member] Minimum [Member]	Mar. 31, 2013 infustion trademarks [Member] Maximum [Member]	Mar. 31, 2013 Noncompete Agreements [Member]	Mar. 31, 2013 Noncompete Agreements [Member] HomeChoice Partners, Inc. [Member]	Feb. 01, 2013 Noncompete Agreements [Member] HomeChoice Partners, Inc. [Member]
Business Acquisition [Line Items]
Finite-Lived Customer Relationships, Gross									$ 400,000						$ 2,000,000							$ 1,000,000					$ 1,000,000
Finite-Lived Intangible Asset, Useful Life							5 months						5 months	3 years		5 months	6 months	3 years	3 years	3 years	23 months		23 months	3 years	1 year	1 year
Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents									23,000
Interest expense elimination							292,000	1,063,000
Revenues					205,163,000	182,458,000
Revenues	199,071,000	155,633,000					11,400,000			10,800,000
Income (Loss) from Continuing Operations Attributable to Parent	(7,470,000)	(2,023,000)					1,000,000			800,000
Business Acquisition, Cost of Acquired Entity, Total Potential Cash Paid depending on results									41,400,000
Business Combination, Acquisition Related Costs							100,000			800,000
Total net income (loss)					(4,815,000)	(3,917,000)
Basic income (loss) per share					$ (0.08)	$ (0.07)
Diluted income (loss) per share					$ (0.08)	$ (0.07)
Business Combination, Description [Abstract]
Business Acquisition, Percentage of Voting Interests Acquired									100.00%		100.00%	100.00%
Business Acquisition, Cost of Acquired Entity, Initial Purchase Price												70,000,000
Business Acquisition, Purchase Price Adjustment, Working Capital			2,300,000
Business Acquisition, Contingent Consideration, Potential Cash Payment												20,000,000
Business combination, contingent consideration period									24		2	2
Number of customers			15,000
Number of locations									5		14	14
Assets Acquired and Liabilities Assumed [Abstract]
Business Acquisition, Contingent Consideration, at Fair Value							3,100,000			8,000,000
Business Acquisition, Contingent Consideration, at Fair Value, Current										4,000,000
Business Acquisition, Contingent Consideration, at Fair Value, Noncurrent										4,000,000
Accounts receivable									4,938,000			12,498,000
Inventories									586,000			1,984,000
Other current assets									371,000			154,000
Property and equipment									751,000			2,864,000
Identifiable intangible assets(a)	19,364,000	17,446,000		17,446,000					400,000			4,000,000
Other non-current assets									349,000			30,000
Current liabilities									(4,428,000)			(4,624,000)
Total identifiable net assets									2,990,000			16,906,000
Goodwill	414,234,000			350,810,000					38,429,000			63,419,000
Total fair value of consideration transferred									38,300,000
Income tax expense (benefit)	58,000	(502,000)			(117,000)	(479,000)
Amortization of Intangible Assets	2,082,000	879,000			(495,000)	1,304,000
Business Combination, Consideration Transferred									$ 41,419,000			$ 80,325,000