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Balance Sheet Details (Tables)

9 Months Ended

Sep. 30, 2013

Condensed Financial Information Of Parent Company Only Disclosure [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):

September 30, 2013		Maturity in Years				Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value
Available-for-sale:
Government agency securities			1 or less			$	3,352			$	1			$	0			$	3,353
Municipal bonds			1 or less				5,875				2				0				5,877
Certificates of deposit			1 or less				5,000				1				0				5,001
Corporate debentures / bonds			1 or less				10,210				0				(9	)			10,201
Total short-term marketable securities							24,437				4				(9	)			24,432
Available-for-sale:
Certificates of deposit			1 to 2				2,740				0				0				2,740
Corporate debentures / bonds			1 to 2				2,581				0				(5	)			2,576
Total long-term marketable securities							5,321				0				(5	)			5,316
						$	29,758			$	4			$	(14	)		$	29,748

December 31, 2012		Maturity in Years				Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value
Available-for-sale:
Government agency securities			1 or less			$	3,265			$	1			$	0			$	3,266
Municipal bonds			1 or less				11,246				14				0				11,260
Certificates of deposit			1 or less				6,200				5				0				6,205
Corporate debentures / bonds			1 or less				17,330				3				0				17,333
Total short-term marketable securities							38,041				23				0				38,064
Available-for-sale:
Certificates of deposit			1 to 2				1,200				1				0				1,201
Total long-term marketable securities							1,200				1				0				1,201
						$	39,241			$	24			$	0			$	39,265

Summary of Inventories

Inventories consist of the following (in thousands):

		September 30,				December 31,
		2013				2012
Finished goods		$	18,624			$	26,776
Raw materials and components			8,401				12,240
		$	27,025			$	39,016

Summary of Accrued Expenses

Accrued expenses consist of the following (in thousands):

		September 30,				December 31,
		2013				2012
Royalties		$	5,604			$	4,349
Payroll and related expenses			5,308				7,788
Product warranty			2,355				2,329
Market development funds and price protection			1,958				2,147
Professional fees			2,063				1,549
Deferred revenue			3,514				4,630
Restructuring			2,119				0
Other			5,039				5,008
		$	27,960			$	27,800

Summary of Accrued Warranty Obligations

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

		Three Months Ended September 30, 2013				Three Months Ended September 30, 2012				Nine Months Ended September 30, 2013				Nine Months Ended September 30, 2012
Warranty liability at beginning of period		$	2,451			$	2,674			$	2,329			$	1,525
Additions charged to operations			722				849				4,086				3,579
Deductions from liability			(818	)			(1,042	)			(4,060	)			(2,623	)
Warranty liability at end of period		$	2,355			$	2,481			$	2,355			$	2,481

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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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Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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