Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net Loss	$ (14,229)	$ (3,645)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization, and accretion expense	2,775	3,007
Stock-based compensation expense	2,180	1,122
Provision for doubtful accounts	(87)	64
Provision for product warranty	172	211
Provision for losses on inventory purchase commitments	908	0
Loss from equity method investment	960	0
Change in fair value of financial instruments	(105)	272
Loss on disposal of equipment	35	0
Flood-related losses	5,698	0
Total non-cash adjustments	12,536	4,676
Changes in operating assets and liabilities:
Accounts receivable	9,441	5,343
Inventory	(584)	314
Other assets	(2,549)	(138)
Accounts payable	3,693	531
Accrued expenses and other current liabilities	12,539	(2,652)
Total change in operating assets and liabilities	22,540	3,398
Net cash provided by operating activities	20,847	4,429
Cash flows from investing activities:
Purchase of equipment	(2,280)	(984)
Deposits on equipment orders	(1,133)	0
Investment in internally-developed patents	0	(188)
Dividend from unconsolidated affiliate	1,644	0
Increase in restricted cash	(1,116)	(1,049)
Net cash used in investing activities	(2,885)	(2,221)
Cash flows from financing activities:
Net proceeds from (payments on) borrowings from credit facilities	(11,551)	1,183
Financing cost related to issuance of credit facility	0	(534)
Proceeds from stock plans	29	30
Payments on capital lease obligations	0	(1)
Net cash provided by (used in) financing activities	(11,522)	678
Effect of exchange rate changes on foreign currency	101	217
Net increase in cash and cash equivalents	6,541	3,103
Cash and cash equivalents at beginning of period	15,598	19,944
Cash and cash equivalents at end of period	22,139	23,047
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid during the period for interest	89	78
Cash paid during the period for income taxes	$ 1,644	$ 0