Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash Flows From Operating Activities:
NET INCOME (LOSS)	$ 4,556	$ (490)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	2,348	1,891
Share-based compensation expense	2,080	1,632
Provision for bad debt expense	9	2
Write-off of property and equipment	0	5
Foreign currency translation adjustment upon liquidation of foreign subsidiary	2,677	0
Changes in operating assets and liabilities:
Accounts receivable	(1,533)	9,861
Inventories	2,140	(1,035)
Prepaid expenses and other assets	4,693	2,544
Accounts payable	(9,225)	(9,122)
Accrued compensation and other expenses	2,378	(3,213)
Deferred revenue	(1,480)	831
Other long-term liabilities	(622)	(143)
Net cash provided by operating activities	8,021	2,763
Cash Flows From Investing Activities:
Purchases of property and equipment	(2,359)	(1,432)
Purchases of intangible assets	(2,177)	0
Net cash used in investing activities	(4,536)	(1,432)
Cash Flows From Financing Activities:
Payments on bank borrowings	0	(2,000)
Shares withheld for tax purposes	(10)	(80)
Proceeds from sale of stock to employees	3,186	2,500
Net cash provided by financing activities	3,176	420
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(16)	39
Net Increase in Cash and Cash Equivalents	6,645	1,790
Cash and Cash Equivalents, beginning of period	42,492	40,406
Cash and Cash Equivalents, end of period	49,137	42,196
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Capital expenditures incurred but not yet paid	970	832
Property and equipment transferred from inventory	0	42
Supplemental Cash Flow Data:
Cash paid for income taxes	$ 262	$ 260