Balance Sheet Components

3 Months Ended

Sep. 30, 2011

Balance Sheet Components

Balance Sheet Components

5. Balance Sheet Components

Accounts receivable, net

Accounts receivable, net consists of the following (in thousands):

	September 30,			June 30,
	2011			2011
Accounts receivable	$	77,282		$	59,858
Unbilled fees and services	1,697			2,319
	78,979			62,177
Less: Allowance for doubtful accounts	(1,066		)	(324		)
Accounts receivable, net	$	77,913		$	61,853

Inventories

Inventories consist of the following (in thousands):

	September 30,		June 30,
	2011		2011
Raw materials	$	59,445	$	60,309
Work-in-process	8,751		10,002
Finished goods	15,122		27,525
Total inventories	$	83,318	$	97,836

Property and Equipment, net

Property and equipment consist of the following (in thousands):

	September 30,			June 30,
	2011			2011
Furniture and fixtures	$	5,554		$	5,317
Computer and office equipment	8,429			8,280
Software	8,357			8,107
Leasehold improvements	15,682			15,386
Machinery and equipment	34,072			33,692
CyberKnife shared ownership systems	4,923			4,923
Construction in progress	514			602
	77,531			76,307
Less: Accumulated depreciation and amortization	(35,568		)	(31,484		)
Property and equipment, net	$	41,963		$	44,823

Depreciation and amortization expense related to property and equipment for the three months ended September 30, 2011 and 2010 was $4.2 million and $1.3 million, respectively. Accumulated depreciation related to the CyberKnife systems attributable to the shared ownership program as of September 30, 2011 and June 30, 2011 was $2.2 million and $2.1 million, respectively.