Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net Loss	$ (23,564)	$ (8,850)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation, amortization, and accretion expense	5,152	5,970
Stock-based compensation expense	4,722	2,611
Provision adjustments related to doubtful accounts	(87)	79
Provision adjustments related to product warranty	86	144
Provision for losses on inventory purchase commitments	1,343	0
Loss from equity method investment	1,201	587
Change in fair value of financial instruments	151	1,310
Net gain on disposal of equipment	(3)	0
Flood-related losses	5,812	0
Total non-cash adjustments	18,377	10,701
Changes in operating assets and liabilities:
Accounts receivable	7,109	2,059
Inventory	(7,829)	722
Other assets	115	(3,504)
Accounts payable	8,191	(1,766)
Accrued expenses and other current liabilities	8,556	(371)
Total change in operating assets and liabilities	16,142	(2,860)
Net cash provided by (used in) operating activities	10,955	(1,009)
Cash flows from investing activities:
Purchase of equipment	(5,533)	(1,685)
Deposits on equipment orders	(1,981)	0
Investment in internally-developed patents	0	(331)
Investment in an unconsolidated affiliate	0	(4,000)
Dividend from an unconsolidated affiliate	1,644	0
Purchase of a business	0	(750)
Increase in restricted cash	(697)	(1,338)
Net cash used in investing activities	(6,567)	(8,104)
Cash flows from financing activities:
Net proceeds from borrowings from credit facilities	3,443	3,137
Proceeds from stock plans	652	820
Payments on capital lease obligations	0	(3)
Net cash provided by financing activities	4,095	3,954
Effect of exchange rate changes on foreign currency	31	(447)
Net increase (decrease) in cash and cash equivalents	8,514	(5,606)
Cash and cash equivalents at beginning of period	15,598	19,944
Cash and cash equivalents at end of period	24,112	14,338
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid during the period for interest	252	701
Cash paid during the period for income taxes	1,644	0
NON-CASH INVESTING AND FINANCING ACTIVITIES
Prior consulting fees received related to an unconsolidated affiliate	$ 0	$ 3,000