XML 44 R18.htm IDEA: XBRL DOCUMENT

Balance Sheet Details (Tables)

9 Months Ended

Sep. 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):


September 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			$	3,681			$	—			$	—			$	3,681
Municipal bonds			1 or less				14,678				11				—				14,689
Certificates of deposit			1 or less				4,079				2				—				4,081
Corporate debentures / bonds			1 or less				17,496				11				—				17,507

Total short-term marketable securities							39,934				24				—				39,958

Available-for-sale:
Government agency securities			1 to 2				3,000				1				—				3,001
Municipal bonds			1 to 2				804				1				—				805
Certificates of deposit			1 to 2				2,358				10				—				2,368

Total long-term marketable securities							6,162				12				—				6,174

						$	46,096			$	36			$	—			$	46,132


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):


		September 30, 2012				December 31, 2011
Finished goods		$	28,407			$	35,211
Raw materials and components			8,120				7,068

		$	36,527			$	42,279

Summary of accrued Expenses

Accrued expenses consist of the following (in thousands):


		September 30, 2012				December 31, 2011
Royalties		$	4,260			$	5,861
Payroll and related expenses			7,628				8,706
Product warranty			2,481				1,525
Market development funds and price protection			1,448				1,750
Deferred rent			1,238				1,135
Professional fees			1,914				1,213
Other			6,219				4,854

		$	25,188			$	25,044

Summary of accrued warranty obligations

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


		Three Months Ended September 30, 2012				Three Months Ended September 30, 2011				Nine Months Ended September 30, 2012				Nine Months Ended September 30, 2011
Warranty liability at beginning of period		$	2,674			$	1,709			$	1,525			$	2,279
Additions charged to operations			849				1,035				3,579				2,238
Deductions from liability			(1,042	)			(1,015	)			(2,623	)			(2,788	)

Warranty liability at end of period		$	2,481			$	1,729			$	2,481			$	1,729

- Definition

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

+ References+ Details