Condensed Consolidated Statements Of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows From Operating Activities:
NET INCOME (LOSS)	$ (450,000)	$ 2,852,000
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	2,880,000	2,315,000
Stock-based compensation expense	2,397,000	1,917,000
Provision for doubtful accounts, net of recoveries	67,000	3,000
Gain (Loss) on Sale of Properties	(5,000)	0
Changes in operating assets and liabilities:
Accounts receivable	5,614,000	(5,161,000)
Inventories	(488,000)	(1,397,000)
Prepaid expenses and other assets	(268,000)	(991,000)
Accounts payable	(3,655,000)	4,705,000
Accrued compensation and other expenses	(2,823,000)	(358,000)
Deferred revenue	1,065,000	1,342,000
Other long-term liabilities	298,000	151,000
Net cash provided by operating activities	4,642,000	5,378,000
Cash Flows From Investing Activities:
Purchases of property and equipment	(3,028,000)	(3,096,000)
Purchase of intangible assets	(545,000)	0
Net cash used in investing activities	(3,573,000)	(3,096,000)
Cash Flows From Financing Activities:
Payments on bank borrowings	(2,000,000)	(7,700,000)
Proceeds from bank borrowings	0	4,900,000
Shares withheld for tax purposes	(92,000)	(222,000)
Proceeds from sale of stock to employees	3,016,000	808,000
Net cash provided by (used in) financing activities	924,000	(2,214,000)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(30,000)	(26,000)
Net Increase in Cash and Cash Equivalents	1,963,000	42,000
Cash and Cash Equivalents, beginning of period	40,406,000	40,315,000
Cash and Cash Equivalents, end of period	42,369,000	40,357,000
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Capital expenditures incurred but not yet paid	2,165,000	340,000
Property and equipment transferred from inventory	42,000	0
Supplemental Cash Flow Data:
Cash paid for income taxes	$ 245,000	$ 75,000