NOTE 4 - FACILITY ACQUISITIONS (Details Narrative) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Working capital	$ 49,773	$ 39,852
Goodwill	193,871	159,507	143,353	106,502
Joint venture increase in controlling interest, fair value assets and liabilities assumed
Joint venture - fixed assets assumed	2,100
Joint venture - goodwill	1,800
Joint venture - capital lease debt	1,900
Joint venture - other liabilities	200
Lenox Hill Radiology
Cash paid for purchase	29,000
Working capital	4,500
Fixed assets	7,200
Joint venture interests	648
Joint venture purchase option	2,500
Intangible assets	100
Goodwill	15,690
Other liabilities	400
Capital lease debt	1,300
ClinicalRadiology [Member]
Cash paid for purchase	2,800
Working capital	65
Fixed assets	1,800
Goodwill	1,838
Capital lease debt	938
Vanowen Radioloty
Cash paid for purchase	550
Fixed assets	164
Goodwill	386
Pueblo Radiology
Cash paid for purchase	750
Fixed assets	1,600
Barnabas Health
Non-consolidated joint venture investment	1,800
OrthopedicImaging [Member]
Cash paid for purchase	700
Fixed assets	373
Goodwill	302
Other current assets	25
Advanced Medical Imaging
Cash paid for purchase	1,000
Fixed assets	39
Goodwill	923
Other current assets	88
West Coast Radiology
Cash paid for purchase	8,100
Working capital	715
Fixed assets	3,100
Intangible assets	200
Goodwill	5,395
Capital lease debt	1,430
TODIC
Cash paid for purchase	350
Fixed assets	425
Goodwill	86
Other liabilities	40
Non-consolidated joint venture investment	121
Progressive MRI
Cash paid for purchase	230
Fixed assets	$ 230