Balance Sheet Details - Note 3

12 Months Ended

Dec. 31, 2011

Balance Sheet Details [Abstract]

Balance Sheet Details Disclosure

3. BALANCE SHEET DETAILS

Cash and Cash Equivalents Disclosure

The table below shows the composition of cash and cash equivalents, short-term investments and restricted cash by security type as of December 31, 2011 and 2010:

	December 31, 2011			December 31, 2010
	Amortized	Unrealized	Estimated	Amortized	Unrealized	Estimated
	Cost	Gains /(Losses)	Fair Value	Cost	Gains /(Losses)	Fair Value
	(thousands)			(thousands)
Cash and cash equivalents:
Cash in bank	$ 18,034	$          -	$ 18,034	$ 13,978	$          -	$ 13,978
Money market funds	13,039	-	13,039	2,885	-	2,885
	$ 31,073	$          -	$ 31,073	$ 16,863	$          -	$ 16,863
Short-term investments:
U.S. agency securities	$          -	$          -	$          -	$   2,151	$          -	$   2,151
	$          -	$          -	$          -	$   2,151	$          -	$   2,151
Restricted cash:
Money market accounts	$   1,877	$          -	$   1,877	$          -	$          -	$          -
Certificates of deposit	-	-	-	4,026	-	4,026
	$   1,877	$          -	$   1,877	$   4,026	$          -	$   4,026

All short-term investments are considered available-for-sale and are marked to market, with unrealized gains and losses recorded as a component of other comprehensive income (loss). For 2011, 2010 and 2009, realized gains and losses on sales of short-term investments were not significant. As of December 31, 2010, all short-term investments had contractual maturities due within one year.

Our restricted cash is comprised of money market accounts and certificates of deposit that secure standby letters of credit provided to certain landlords and vendors.

Prepaid Expense and Other Current Assets Disclosure

Our prepaid expenses and other current assets consisted of the following on December 31, 2011 and 2010:

	December 31,	December 31,
	2011	2010
	(thousands)
Prepaid expenses and other current assets:
Value-added tax	$ 2,996	$ 2,387
Retirement insurance - foreign employees	1,185	971
Insurance	439	435
Income tax receivable	89	568
Other	4,315	1,409
	$ 9,024	$ 5,770

Inventory Disclosure

Our inventories consisted of the following on December 31, 2011 and 2010:

	December 31,	December 31,
	2011	2010
	(thousands)
Inventories:
Purchased parts and raw materials	$ 17,693	$ 14,266
Work-in-process	7,266	9,225
Finished goods	4,244	11,182
	$ 29,203	$ 34,673

Inventories are stated at the lower of cost or market, with cost determined on a first-in, first-out basis, and include material, labor and manufacturing overhead costs. Amounts in the table above are presented net of inventory valuation charges to reflect inventories considered excess and/or obsolete, which inherently involve judgments, using assumptions about expected future demand and the impact of market conditions on those assumptions. In 2011, 2010 and 2009, we recorded a net benefit of $1.7 million, a net benefit of $3.1 million, and a net charge of $14.2 million, respectively, related to the sale of previously written down inventories, net of inventory valuation charges.

Property and Equipment Disclosure

Our property and equipment consisted of the following on December 31, 2011 and 2010:

	December 31,	December 31,
	2011	2010
	(thousands)
Property and equipment, net:
Machinery and equipment	$ 45,174	$ 52,608
Furniture and fixtures	10,002	10,741
Leasehold improvements	17,759	17,813
	72,935	81,162
Less: accumulated depreciation	(62,383)	(66,151)
	$ 10,552	$ 15,011

Depreciation expense totaled $5.7 million, $6.7 million, and $8.4 million for the years ended December 31, 2011, 2010 and 2009, respectively.

Accrued Liabilities Disclosure

Our accrued liabilities consisted of the following on December 31, 2011 and 2010:

	December 31,	December 31,
	2011	2010
	(thousands)
Accrued liabilities:
Compensation and benefits	$   5,781	$   5,941
Warranty	3,419	2,539
Value-added tax	2,073	748
Restructuring	1,230	436
Customer deposits	451	-
Other	3,493	3,788
	$ 16,447	$ 13,452

Other accrued liabilities in the table above primarily includes liabilities accrued for income taxes payable, professional fees, retrofit reserves and other miscellaneous liabilities.

In 2011, we recognized $1.6 million in other income related to the extinguishment of certain liabilities previously recorded in accrued liabilities other.

Other Liabilities Disclosure

Our other liabilities consisted of the following on December 31, 2011 and 2010:

	December 31,	December 31,
	2011	2010
	(thousands)
Other liabilities:
Deferred revenue, non-current	$ 3,158	$ 2,875
Other	3,879	2,146
	$ 7,037	$ 5,021