Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows From Operating Activities:
NET INCOME (LOSS)	$ 1,096	$ (6,916)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,463	1,959
Stock-based compensation expense	1,357	2,076
Provision for doubtful accounts, net of recoveries	(5)	25
Impairment of Intangible Assets (Excluding Goodwill)	0	1,647
Tangible Asset Impairment Charges	0	244
Changes in operating assets and liabilities:
Accounts receivable	(4,053)	4,582
Inventories	839	595
Prepaid expenses and other assets	(240)	3,194
Accounts payable	2,123	(9,162)
Accrued compensation and other expenses	(836)	(3,341)
Deferred revenue	1,098	602
Other long-term liabilities	160	412
Net cash provided by (used in) operating activities	3,002	(4,083)
Cash Flows From Investing Activities:
Purchases of property and equipment	(2,327)	(1,425)
Net cash used in investing activities	(2,327)	(1,425)
Cash Flows From Financing Activities:
Principal payment of note payable	0	(71)
Payments on bank borrowings	(5,600)	0
Proceeds from bank borrowings	4,900	0
Adjustments Related to Tax Withholding for Share-based Compensation	(215)	(533)
Proceeds from sale of stock to employees	428	448
Net cash used in financing activities	(487)	(156)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(101)	(5)
Net (Decrease) Increase in Cash and Cash Equivalents	87	(5,669)
Cash and Cash Equivalents, beginning of period	40,315	46,168
Cash and Cash Equivalents, end of period	40,402	40,499
Supplemental Disclosures of Non-Cash Investing Activities:
Property and equipment acquired but not yet paid	308	811
Supplemental Cash Flow Data:
Cash paid for income taxes	$ 84	$ 39