Supplementary Balance Sheet Information

12 Months Ended

Dec. 31, 2011

Balance Sheet Related Disclosures [Abstract]

Supplementary Balance Sheet Information

Supplementary Balance Sheet Information (in thousands):

	December 31, 2011			December 31, 2010
Inventories, net:
Raw materials	$	2,899		$	3,050
Work-in-process	2,665			2,641
Finished goods	2,207			1,632
	7,771			7,323
Less reserve for excess and obsolete inventories	(1,593		)	(1,891		)
	$	6,178		$	5,432

	December 31, 2011			December 31, 2010
Property and equipment, net:
Machinery and equipment	$	21,684		$	21,627
Computer hardware and software	2,712			2,417
Leasehold improvements	813			807
	25,209			24,851
Accumulated depreciation	(19,842		)	(17,666		)
	$	5,367		$	7,185

	December 31, 2011			December 31, 2010
Intangible assets, net (1):
Customer relationships	$	2,600		$	2,600
Covenants not to compete	300			300
Patents	141			141
	3,041			3,041
Accumulated amortization of customer relationships	(2,201		)	(1,942		)
Accumulated amortization of covenants not to compete	(280		)	(220		)
Accumulated amortization of patents	(83		)	(71		)
	$	477		$	808

(1) Amortization expense for intangible assets, net for the years ended December 31, 2011, 2010 and 2009 was $0.3 million, $0.4 million and $0.6 million, respectively. Estimated amortization expense for intangible assets for 2012 is $0.2 million, for 2013 is $0.2 million, for 2014 is $0.1 million, for 2015 and thereafter less than $0.1 million.

	December 31, 2011		December 31, 2010
Other accrued liabilities:
Outside services and consulting	$	836	$	318
Sales and property taxes payable	473		464
Professional fees	293		284
Radiopharmaceuticals and consumable medical supplies	243		365
Facilities and related costs	129		210
Travel expenses	110		101
Other accrued liabilities	313		354
	$	2,397	$	2,096