Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Cash flows from operating activities:
Net loss	$ (105,223)	$ (76,874)
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation	5,126	3,573
Depreciation and amortization	16,369	14,921
Change in fair value of common stock warrant liability		15,974
Non-cash charge for extinguishment of preferred stock obligation of subsidiary		934
Non-cash interest expense on preferred stock and debt and finance obligations	3,155	3,403
Non-cash charge for extinguishment of debt		7,156
Unrealized gain on derivative contract	(559)	(299)
Operating lease costs	1,147	1,143
Operating lease payments	(1,084)	(902)
Impairment of property, plant and equipment	976
Unrealized foreign currency losses	584	911
Other non-cash transactions	(147)	171
Decrease (increase) in operating assets:
Accounts receivable	1,983	(4,619)
Unbilled receivables	(190)	(5,419)
Inventories	(22,783)	(11,014)
Other assets	(6,187)	(3,281)
Increase (decrease) in operating liabilities:
Accounts payable	6,254	668
Accrued liabilities	14,470	(2,554)
Deferred revenue	(1,979)	(4,477)
Net cash used in operating activities	(88,088)	(60,585)
Cash flows from investing activities:
Capital expenditures	(15,790)	(2,907)
Project asset expenditures	(23,693)	(41,301)
Net cash used in investing activities	(39,483)	(44,208)
Cash flows from financing activities:
Repayment of debt	(7,208)	(93,951)
Common stock issued for stock plans and related expenses	47	18
Contributions received from sale of noncontrolling interest, net of return of capital	11,923
Distribution to noncontrolling interest	(189)
Payments for taxes related to net share settlement of equity awards	(287)
Repayment of Series 1 Preferred Share Obligation		(21,541)
Proceeds from sale of common stock and warrant exercises, net of fees	145,437	524,643
Payment of preferred dividends	(2,400)	(2,400)
Net cash provided by financing activities	147,323	406,769
Effects on cash from changes in foreign currency rates	(326)	(8)
Net increase in cash, cash equivalents and restricted cash	19,426	301,968
Cash, cash equivalents and restricted cash-beginning of period	460,212	192,052
Cash, cash equivalents and restricted cash-end of period	479,638	494,020
Supplemental cash flow disclosures:
Cash interest paid and early prepayment charge	1,193	5,326
Noncash financing and investing activity:
Operating lease liabilities		1,459
Operating lease right-of-use assets		1,459
Noncash reclassifications from inventory to project assets	7,699	5,972
Noncash reclassification from inventory to fixed assets	1,552
Noncash reclassifications from other assets to project assets	2,375
Warrant exercises		21,170
Accrued sale of common stock, cash received in a subsequent period		1,607
Accrued purchase of fixed assets, cash to be paid in subsequent period	3,203	315
Accrued purchase of project assets, cash to be paid in subsequent period	$ 6,498	$ 875