Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows From Operating Activities:
NET INCOME (LOSS)	$ 2,852	$ (9,930)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,315	2,828
Stock-based compensation expense	1,917	2,973
Provision for doubtful accounts, net of recoveries	3	12
Impairment of Intangible Assets (Excluding Goodwill)	0	1,647
Tangible Asset Impairment Charges	0	312
Changes in operating assets and liabilities:
Accounts receivable	(5,161)	3,352
Inventories	(1,397)	(156)
Prepaid expenses and other assets	(991)	1,067
Accounts payable	4,705	(4,748)
Accrued compensation and other expenses	(358)	(3,428)
Deferred revenue	1,342	380
Other long-term liabilities	151	1,019
Net cash provided by (used in) operating activities	5,378	(4,672)
Cash Flows From Investing Activities:
Purchases of property and equipment	(3,096)	(2,914)
Net cash used in investing activities	(3,096)	(2,914)
Cash Flows From Financing Activities:
Principal payment of note payable	0	(71)
Payments on bank borrowings	(7,700)	0
Proceeds from bank borrowings	4,900	1,800
Adjustments Related to Tax Withholding for Share-based Compensation	(222)	(543)
Proceeds from sale of stock to employees	808	754
Net cash provided by (used in) financing activities	(2,214)	1,940
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(26)	20
Net Increase (Decrease) in Cash and Cash Equivalents	42	(5,626)
Cash and Cash Equivalents, beginning of period	40,315	46,168
Cash and Cash Equivalents, end of period	40,357	40,542
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Property and equipment acquired but not yet paid	340	507
Stock payment for employee bonus plan	0	1,005
Supplemental Cash Flow Data:
Cash paid for income taxes	$ 75	$ 84