Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash Flows From Operating Activities:
Net loss	$ (6,916)	$ (3,216)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,959	2,164
Provision for bad debt expense	25	0
Stock-based compensation expense	2,076	2,537
Write-off of intangible assets	1,647	0
Impairment, property, plant and equipment	244	0
Changes in operating assets and liabilities, net of effects of business acquisition:
Accounts receivable	4,582	4,298
Inventories	595	2,050
Prepaid expenses and other assets	3,194	(850)
Accounts payable	(9,162)	(5,305)
Accrued compensation and other expenses	(3,152)	1,254
Deferred revenue	602	23
Restructuring accrual	(189)	(481)
Other long-term liabilities	412	(355)
Net cash provided by (used in) operating activities	(4,083)	2,119
Cash Flows From Investing Activities:
Purchases of property and equipment	(1,425)	(1,578)
Net cash used in investing activities	(1,425)	(1,578)
Cash Flows From Financing Activities:
Principal payment of note payable	(71)	(136)
Shares withheld for tax purposes	(533)	(343)
Proceeds from sale of stock to employees	448	742
Net cash provided by (used in) financing activities	(156)	263
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(5)	(28)
Net Increase (Decrease) in Cash and Cash Equivalents	(5,669)	776
Cash and Cash Equivalents, beginning of period	46,168	45,732
Cash and Cash Equivalents, end of period	40,499	46,508
Supplemental Disclosures of Non-Cash Investing Activities:
Property and equipment acquired but not yet paid	$ 811	$ 164