Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash Flows From Operating Activities:
NET INCOME (LOSS)	$ 3,871	$ (412)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,153	959
Share-based compensation expense	880	578
Changes in operating assets and liabilities:
Accounts receivable	1,213	9,240
Inventories	1,890	(1,122)
Prepaid expenses and other assets	3,680	1,238
Accounts payable	(5,890)	(7,112)
Accrued compensation and other expenses	725	(2,809)
Deferred revenue	(628)	799
Other long-term liabilities	(425)	(252)
Net cash provided by operating activities	6,469	1,107
Cash Flows From Investing Activities:
Purchases of property and equipment	(1,517)	(995)
Purchases of intangible assets	(1,342)	0
Net cash used in investing activities	(2,859)	(995)
Cash Flows From Financing Activities:
Payments on bank borrowings	0	(2,000)
Shares withheld for tax purposes	0	(72)
Proceeds from sale of stock to employees	172	1,854
Net cash provided by (used in) financing activities	172	(218)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	7	22
Net Increase (Decrease) in Cash and Cash Equivalents	3,789	(84)
Cash and Cash Equivalents, beginning of period	42,492	40,406
Cash and Cash Equivalents, end of period	46,281	40,322
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Capital expenditures incurred but not yet paid	461	995
Supplemental Cash Flow Data:
Cash paid for income taxes	$ 98	$ 195