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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018
Cash flows from operating activities: |  |  |
Net loss | $ (89,107) | $ (77,568) | $ (47,334)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |  |
Share-based compensation | 1,868 | 2,804 | 3,238
Depreciation and amortization | 19,377 | 12,353 | 8,648
Change in fair value of common stock warrant liability | 37,086 | 0 | 0
Gain on extinguishment of financing obligation | (1,801) | 0 | 0
Gain on Series 1 preferred stock extinguishment | (475) | 0 | 0
Non-cash interest expense on preferred stock and debt obligations | 7,570 | 6,097 | 5,957
Deferred income taxes | 0 | 0 | (3,035)
Operating lease costs | 1,451 | 0 | 0
Operating lease payments | (1,016) | 0 | 0
Impairment of property, plant and equipment and project assets | 2,417 | 20,360 | 0
Unrealized loss on derivative contract | 314 | 624 | 0
Other non-cash transactions | 674 | 511 | 597
Decrease (increase) in operating assets: |  |  |
Accounts receivable | (6,271) | 4,842 | 24,169
Unbilled receivables | (5,590) | (4,488) | 24,562
Inventories | (2,111) | (6,427) | 31,714
Other assets | (1,297) | 2,120 | (2,264)
Increase (decrease) in operating liabilities: |  |  |
Accounts payable | (7,059) | (173) | (19,846)
Accrued liabilities | 5,465 | 2,377 | (11,345)
Deferred revenue | 1,724 | 5,996 | 1,261
Net cash (used in) provided by operating activities | (36,781) | (30,572) | 16,322
Cash flows from investing activities: |  |  |
Capital expenditures | (382) | (2,151) | (10,028)
Project asset expenditures | (31,527) | (31,675) | (41,232)
Asset acquisition | (611) | (35,474) | 0
Net cash used in investing activities | (32,520) | (69,300) | (51,260)
Cash flows from financing activities: |  |  |
Repayment of debt | (30,117) | (48,395) | (16,616)
Proceeds from debt, net of debt discount | 87,757 | 69,596 | 13,091
Common stock issued for stock plans and related expenses | 5 | 23 | 0
Payment of deferred financing costs | (2,697) | (3,302) | (352)
Proceeds from sale of common stock and warrant exercises, net | 173,194 | 43,573 | 10,455
Payment of preferred dividends and return of capital | (6,475) | (1,840) | (4,178)
Net cash provided by financing activities | 221,667 | 59,655 | 27,717
Effects on cash from changes in foreign currency rates | (92) | (244) | 12
Net increase (decrease) in cash, cash equivalents, and restricted cash | 152,274 | (40,461) | (7,209)
Cash, cash equivalents, and restricted cash-beginning of year | 39,778 | 80,239 | 87,448
Cash, cash equivalents, and restricted cash-end of year | 192,052 | 39,778 | 80,239
Series D Preferred Stock [Member] |  |  |
Cash flows from financing activities: |  |  |
Net proceeds from issuance of preferred shares | $ 0 | $ 0 | $ 25,317

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