Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows From Operating Activities:
Net loss	$ (9,930)	$ (15,398)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	2,828	3,910
Provision for bad debt expense	12	203
Stock-based compensation expense	2,973	3,995
Goodwill impairment charge	0	4,140
Write-off of intangible assets	1,647	2,928
Write-off of property and equipment	312	0
Changes in operating assets and liabilities:
Accounts receivable	3,352	10,057
Inventories	(156)	2,148
Prepaid expenses and other assets	1,067	(1,751)
Accounts payable	(4,748)	(9,916)
Accrued compensation and other expenses	(2,649)	1,799
Deferred revenue	380	(466)
Restructuring accrual	(779)	(98)
Other long-term liabilities	1,019	(462)
Net cash provided by (used in) operating activities	(4,672)	1,089
Cash Flows From Investing Activities:
Purchases of property and equipment	(2,914)	(2,079)
Net cash used in investing activities	(2,914)	(2,079)
Cash Flows From Financing Activities:
Principal payment of note payable	(71)	(205)
Proceeds from bank borrowings	1,800	0
Shares withheld for tax purposes	(543)	(344)
Proceeds from sale of stock to employees	754	1,422
Net cash provided by (used in) financing activities	1,940	873
Effect of Exchange Rate Changes on Cash and Cash Equivalents	20	57
Net Increase (Decrease) in Cash and Cash Equivalents	(5,626)	(60)
Cash and Cash Equivalents, beginning of period	46,168	45,732
Cash and Cash Equivalents, end of period	40,542	45,672
Supplemental Disclosures of Non-Cash Investing Activities:
Property and equipment acquired but not yet paid	507	793
Stock payment for employee bonus plan	$ 1,005	$ 0