Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2023	Oct. 31, 2022
Current assets:
Cash and cash equivalents, unrestricted	$ 246,844	$ 458,055
Restricted cash and cash equivalents - short-term	4,778	4,423
Investments - short-term	76,400
Accounts receivable, net	6,447	4,885
Unbilled receivables	16,300	11,019
Inventories	87,294	90,909
Other current assets	14,452	10,989
Total current assets	452,515	580,280
Restricted cash and cash equivalents - long-term	25,452	18,566
Inventories - long-term	7,549	7,549
Project assets, net	237,151	232,886
Property, plant and equipment, net	71,130	58,137
Operating lease right-of-use assets, net	8,917	7,189
Goodwill	4,075	4,075
Intangible assets, net	16,725	17,373
Other assets	35,127	13,662
Total assets (1)	858,641	939,717
Current liabilities:
Current portion of long-term debt	13,289	13,198
Current portion of operating lease liabilities	645	650
Accounts payable	21,075	28,196
Accrued liabilities	22,873	27,415
Deferred revenue	4,782	16,341
Total current liabilities	62,664	85,800
Long-term deferred revenue and customer deposits		9,095
Long-term operating lease liabilities	9,392	7,575
Long-term debt and other liabilities	80,503	82,863
Total liabilities (1)	152,559	185,333
Redeemable noncontrolling interest		3,030
Stockholders' equity:
Common stock ($0.0001 par value); 500,000,000 shares authorized as of April 30, 2023 and October 31, 2022; 406,738,713 and 405,562,988 shares issued and outstanding as of April 30, 2023 and October 31, 2022, respectively	41	41
Additional paid-in capital	2,100,724	2,094,076
Accumulated deficit	(1,460,898)	(1,407,973)
Accumulated other comprehensive loss	(1,456)	(1,752)
Treasury stock, Common, at cost (163,943 and 142,837 shares as of April 30, 2023 and October 31, 2022, respectively)	(923)	(855)
Deferred compensation	923	855
Total stockholder's equity	638,411	684,392
Noncontrolling interests	7,814	7,105
Total equity	646,225	691,497
Total liabilities, redeemable Series B preferred stock, redeemable noncontrolling interest and total equity	858,641	939,717
Series B Preferred Stock
Current liabilities:
Redeemable Series B preferred stock (liquidation preference of $64,020 as of April 30, 2023 and October 31, 2022)	$ 59,857	$ 59,857