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Balance Sheet Details (Tables)

6 Months Ended

Jun. 30, 2012

Balance Sheet Details [Abstract]

Summary of marketable securities available-for-sale

The Company’s portfolio of available-for-sale securities by contractual maturity consists of the following (in thousands):


June 30, 2012		Maturity in Years				Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value

Available-for-sale:
Government agency securities			1 or less			$	2,181			$	—			$	(1	)		$	2,180
Municipal bonds			1 or less				11,730				2				—				11,732
Certificates of deposit			1 or less				5,040				1				—				5,041
Corporate debentures / bonds			1 or less				17,447				1				(10	)			17,438

Total short-term marketable securities							36,398				4				(11	)			36,391


Available-for-sale:
Government agency securities			1 to 2				3,733				5				—				3,738
Muncipal bonds			1 to 2				4,714				2				—				4,716
Certificates of deposit			1 to 2				2,357				9				—				2,366

Total long-term marketable securities							10,804				16				—				10,820

						$	47,202			$	20			$	(11	)		$	47,211


December 31, 2011		Maturity in Years		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value

Available-for-sale:
Government agency securities		1 or less		$	6,913			$	—			$	(1	)		$	6,912
Municipal bonds		1 or less			8,390				—				(6	)			8,384
Certificates of deposit		1 or less			4,319				2				—				4,321
Corporate debentures/bonds		1 or less			8,615				—				(3	)			8,612
Marketable equity securities		1 or less			38				—				—				38

Total short-term marketable securities					28,275				2				(10	)			28,267

Available-for-sale:
Government agency securities		1 to 2			3,734				4				—				3,738
Municipal bonds		1 to 2			5,967				2				—				5,969
Certificates of deposit		1 to 2			3,797				—				(9	)			3,788

Total long-term marketable securities					13,498				6				(9	)			13,495

				$	41,773			$	8			$	(19	)		$	41,762

Summary of inventories

Inventories consist of the following (in thousands):


		June 30, 2012				December 31, 2011
Finished goods		$	32,751			$	35,211
Raw materials and components			6,814				7,068

		$	39,565			$	42,279

Summary of accrued Expenses

Accrued Expenses

Accrued expenses consist of the following (in thousands):


		June 30, 2012				December 31, 2011
Royalties		$	5,716			$	5,861
Payroll and related expenses			6,979				8,706
Product warranty			2,674				1,525
Market development fund and price protection			1,787				1,750
Deferred rent			1,253				1,135
Professional fees			1,416				1,213
Other			5,550				4,854

		$	25,375			$	25,044

Summary of accrued warranty obligations

Accrued Warranty Obligations

Accrued warranty obligations consist of the following (in thousands):


		Three Months Ended June 30, 2012				Three Months Ended June 30, 2011				Six Months Ended June 30, 2012				Six Months Ended June 30, 2011
Warranty liability at beginning of period		$	1,738			$	2,349			$	1,525			$	2,279
Additions charged to operations			1,845				334				2,730				1,197
Deductions from liability			(909	)			(974	)			(1,581	)			(1,767	)

Warranty liability at end of period		$	2,674			$	1,709			$	2,674			$	1,709

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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