Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating activities:
Net loss	$ (6,215)	$ (11,479)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	14,939	12,451
Stock-based compensation	1,928	2,326
Interest expense related to amortization of debt discount and debt issuance costs	281	722
In-process research and development paid in stock		1,000
Provision for doubtful accounts	594	764
Provision for excess and obsolete inventory	3,365	1,839
Gain on sale of IMC Co. (discontinued operations)		(188)
Deferred income tax benefit	(2,352)	(1,101)
Changes in operating assets and liabilities:
Accounts receivable	(1,919)	(5,145)
Inventories	(140)	(13,297)
Prepaid expenses and other current assets	474	(1,666)
Other assets	828	268
Accounts payable	995	(1,384)
Accrued expenses and other	(1,643)	888
Deferred revenues	(26)	849
Net cash provided by (used in) operating activities	11,109	(13,153)
Investing activities:
Cash received in acquisition of Scient'x		1,589
Proceeds from sale of IMC Co. (discontinued operations)		329
Cash paid for acquisition of Brazilian subsidiary	(620)
Purchases of property and equipment	(8,033)	(11,657)
Purchase of intangible assets	(445)	(500)
Net cash used in investing activities	(9,098)	(10,239)
Financing activities:
Exercise of stock options	104	211
Net proceeds from issuance of common stock		49,659
Borrowings under lines of credit	1,662	2,610
Repayments under lines of credit	(3,114)	(1,796)
Principal payments on capital lease obligations	(114)	(129)
Principal payments on notes payable	(1,523)	(7,273)
Net cash (used in) provided by financing activities	(2,985)	43,282
Effect of exchange rate changes on cash and cash equivalents	(50)	(1,121)
Net (decrease) increase in cash and cash equivalents	(1,024)	18,769
Cash and cash equivalents at beginning of period	23,168	10,085
Cash and cash equivalents at end of period	22,144	28,854
Supplemental cash flow information:
Cash paid for interest	1,828	2,460
Cash paid for income taxes	303	339
Purchases of property and equipment in accounts payable	2,241	3,765
Financing of software and support by third party	121	872
Financing of insurance premiums by insurance provider		406
Non-cash purchases of license agreements	50
Issuance of common stock in connection with Scient'x acquisition		151,639
Stock options issued in connection with Scient'x acquisition		1,040
Non-cash exercise of warrants		540
Non-cash purchase of intangible assets		1,500
Purchase of intangible assets in accrued expenses		$ 1,450