Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ 7,240	$ (32,603)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Impairment	0	1,425
Depreciation, amortization, and accretion expense	6,161	7,118
Stock-based compensation expense	3,285	5,997
Provision adjustments related to doubtful accounts	(65)	(175)
Provision adjustments related to product warranty	2,615	189
Provision for losses on inventory purchase commitments	0	1,621
Loss from equity method investment	0	1,201
Change in fair value of financial instruments	(343)	90
Net gain on disposal of equipment	0	(3)
Flood-related loss	0	5,519
Non-cash insurance proceeds	16,134	0
Gain on sale of assets	0	2,793
Total non-cash adjustments	(4,481)	20,189
Changes in operating assets and liabilities:
Accounts receivable	(2,256)	4,494
Inventory	(1,369)	(13,504)
Other assets	4,403	(248)
Accounts payable	(11,202)	9,750
Accrued expenses and other current liabilities	(5,058)	7,896
Total change in operating assets and liabilities	(15,482)	8,388
Net cash used in operating activities	(12,723)	(4,026)
Cash flows from investing activities:
Purchase of equipment	(6,753)	(9,802)
Deposits on equipment orders	(3)	(1,887)
Dividend from an unconsolidated affiliate	0	1,644
Increase in restricted cash	(619)	(27)
Proceeds from disposal of property, plant and equipment	397	0
Net cash (used in) provided by investing activities	(1,605)	3,049
Cash flows from financing activities:
Net proceeds from borrowings from credit facilities	745	4,735
Proceeds from sale of common stock	9,475	0
Proceeds from stock plans	1,018	671
Net cash provided by financing activities	11,238	5,406
Effect of exchange rate changes on foreign currency	(43)	218
Net (decrease) increase in cash and cash equivalents	(3,133)	4,647
Cash and cash equivalents at beginning of period	9,047	15,598
Cash and cash equivalents at end of period	5,914	20,245
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid during the period for interest	536	329
Cash paid during the period for income taxes	15	1,644
NON-CASH INVESTING AND FINANCING ACTIVITIES
Forgiveness of capital lease and accounts payable	10,761	0
Flood-related insurance proceeds from equipment	5,373
Proceeds from sale of assets	$ 0	$ 13,121