Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2023	Oct. 31, 2022
Current assets:
Cash and cash equivalents, unrestricted	$ 303,679	$ 458,055
Restricted cash and cash equivalents - short-term	6,078	4,423
Investments - short-term	77,431
Accounts receivable, net	10,102	4,885
Unbilled receivables	18,986	11,019
Inventories	85,561	90,909
Other current assets	12,832	10,989
Total current assets	514,669	580,280
Restricted cash and cash equivalents - long-term	26,665	18,566
Inventories - long-term	7,549	7,549
Project assets, net	248,223	232,886
Property, plant and equipment, net	79,533	58,137
Operating lease right-of-use assets, net	8,690	7,189
Goodwill	4,075	4,075
Intangible assets, net	16,400	17,373
Other assets	39,449	13,662
Total assets (1)	945,253	939,717
Current liabilities:
Current portion of long-term debt	9,763	13,198
Current portion of operating lease liabilities	668	650
Accounts payable	22,404	28,196
Accrued liabilities	23,046	27,415
Deferred revenue	3,114	16,341
Total current liabilities	58,995	85,800
Long-term deferred revenue and customer deposits		9,095
Long-term operating lease liabilities	9,277	7,575
Long-term debt and other liabilities	109,130	82,863
Total liabilities (1)	177,402	185,333
Redeemable noncontrolling interest		3,030
Stockholders' equity:
Common stock ($0.0001 par value); 500,000,000 shares authorized as of July 31, 2023 and October 31, 2022; 444,704,081 and 405,562,988 shares issued and outstanding as of July 31, 2023 and October 31, 2022, respectively	44	41
Additional paid-in capital	2,186,405	2,094,076
Accumulated deficit	(1,485,177)	(1,407,973)
Accumulated other comprehensive loss	(1,620)	(1,752)
Treasury stock, Common, at cost (206,544 and 142,837 shares as of July 31, 2023 and October 31, 2022, respectively)	(1,026)	(855)
Deferred compensation	1,026	855
Total stockholder's equity	699,652	684,392
Noncontrolling interests	8,342	7,105
Total equity	707,994	691,497
Total liabilities, redeemable Series B preferred stock, redeemable noncontrolling interest and total equity	945,253	939,717
Series B Preferred Stock
Current liabilities:
Redeemable Series B preferred stock (liquidation preference of $64,020 as of July 31, 2023 and October 31, 2022)	$ 59,857	$ 59,857