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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Aug. 31, 2012 | Aug. 31, 2011 | Aug. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income (loss) | $ (49,949) | $ (16,138) | $ 10,828
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 8,677 | 6,663 | 4,695
Impairment of long-lived assets | 7,507 |  |
Stock-based compensation expense | 2,616 | 1,785 | 247
Bad debt expense | 1,405 | 1,196 | 100
Provisions for inventory write-downs | 3,148 | 5,793 | 40
Gain on disposal of property, plant and equipment | (125) |  | (15)
Equity in losses from unconsolidated entities, net | 13,619 | 3,126 | 313
Bargain purchase gain on acquisition |  |  | (349)
Income recognized on patents assignment | (51) | (17) |
Changes in operating assets and liabilities: |  |  |
Accounts receivable, net | (773) | 1,992 | (4,872)
Inventories | (445) | (8,132) | (3,463)
Prepaid expenses and other | 369 | (854) | (1,810)
Accounts payable | 421 | (595) | 1,501
Accrued expenses and other current liabilities | (2,190) | 3,131 | 1,307
Net cash provided by (used in) operating activities | (15,771) | (2,050) | 8,522
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchase of property, plant and equipment, including interest capitalized | (11,569) | (21,462) | (9,807)
Sale of property, plant and equipment | 218 |  | 54
Purchase of investments |  | (993) | (15,530)
Purchase of short-term investments | (8,831) |  |
Payments for development of intangible assets | (368) | (270) | (235)
Acquisition, net of cash acquired |  | (1,330) | (922)
Proceeds from patents assignment, net |  | 540 |
Other investing activities, net | 17 | (125) | 50
Net cash used in investing activities | (20,533) | (23,640) | (26,390)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Proceeds from issuance of common stock, net of issuance costs |  | 92,702 |
Proceeds from issuance of Series E convertible preferred stock |  |  | 15,043
Proceeds from exercise of stock options | 73 | 82 | 250
Proceeds from line of credit | 1,594 | 3,752 | 2,186
Payments on line of credit | (900) | (3,928) | (1,144)
Proceeds from long-term debt |  | 2,896 | 1,481
Payments of long-term debt | (948) | (883) | (485)
Net cash provided by (used in) financing activities | (181) | 94,621 | 17,331
Effect of exchange rate changes on cash and cash equivalents | 94 | 1,168 | 342
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (36,391) | 70,099 | (195)
CASH AND CASH EQUIVALENTS-Beginning of year | 83,619 | 13,520 | 13,715
CASH AND CASH EQUIVALENTS-End of year | 47,228 | 83,619 | 13,520
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: |  |  |
Cash paid for interest, net of amounts capitalized | 129 | 124 | 65
Cash paid for income taxes | 51 | 617 | 4
NONCASH INVESTING AND FINANCING ACTIVITIES: |  |  |
Accrual related to property, plant and equipment | $ 3,142 | $ 2,168 | $ 916

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