Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2024	Oct. 31, 2023
Current assets:
Cash and cash equivalents, unrestricted	$ 158,790	$ 249,952
Restricted cash and cash equivalents - short-term	4,969	5,159
Investments - short-term	101,340	103,760
Accounts receivable, net	7,155	3,809
Unbilled receivables	26,409	16,296
Inventories	113,918	84,456
Other current assets	13,262	12,881
Total current assets	425,843	476,313
Restricted cash and cash equivalents - long-term	48,134	44,465
Inventories - long-term	2,743	7,329
Project assets, net	256,607	258,066
Property, plant and equipment, net	111,576	89,668
Operating lease right-of-use assets, net	8,036	8,352
Goodwill	4,075	4,075
Intangible assets, net	15,428	16,076
Other assets	44,387	51,176
Total assets (1)	916,829	955,520
Current liabilities:
Current portion of long-term debt	11,733	10,067
Current portion of operating lease liabilities	752	599
Accounts payable	21,614	26,518
Accrued liabilities	24,143	26,313
Deferred revenue	6,756	2,406
Total current liabilities	64,998	65,903
Long-term deferred revenue	987	732
Long-term operating lease liabilities	8,857	8,992
Long-term debt and other liabilities	130,030	119,588
Total liabilities (1)	204,872	195,215
Redeemable Series B preferred stock (liquidation preference of $64,020 as of April 30, 2024 and October 31, 2023)	59,857	59,857
Stockholders' equity:
Common stock ($0.0001 par value); 1,000,000,000 shares authorized as of April 30, 2024 and October 31, 2023; 458,406,776 and 450,626,862 shares issued and outstanding as of April 30, 2024 and October 31, 2023, respectively	46	45
Additional paid-in capital	2,208,951	2,199,661
Accumulated deficit	(1,567,474)	(1,515,541)
Accumulated other comprehensive loss	(1,717)	(1,672)
Treasury stock, Common, at cost (324,814 and 246,468 shares as of April 30, 2024 and October 31, 2023, respectively)	(1,164)	(1,078)
Deferred compensation	1,164	1,078
Total stockholder's equity	639,806	682,493
Noncontrolling interests	12,294	17,955
Total equity	652,100	700,448
Total liabilities, redeemable Series B preferred stock and total equity	$ 916,829	$ 955,520