5. GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of activity in goodwill

Activity in goodwill for the years ended December 31, 2011 and 2012 is provided below (in thousands):

Balance as of January 1, 2011 (unaudited)	$	223
Goodwill acquired through GBDIP's acquisition of MIB Partnership, LLP		7,593
Balance as of December 31, 2011 (unaudited)		7,816
Goodwill acquired through Carroll County Radiology's acquisition of Westminster from RadNet, Inc.		2,107
Balance as of December 31, 2012	$	9,923

Schedule of amortization expense

	2013		2014		2015		2016		2017		Thereafter		Total		Weighted average amortization period remaining in years
Management service contracts		16		16		16		16		16		226		306		19.0
Covenant not to compete contracts		104		104		105		105		–		–		418		4.0
Total annual amortization	$	120	$	120	$	121	$	121	$	16	$	226	$	724