Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jul. 31, 2022	Oct. 31, 2021
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	394,430,969	366,618,693
Common stock, shares outstanding	394,430,969	366,618,693
Treasury stock, shares	119,258	73,430
Assets	$ 944,422	$ 875,248
Cash	456,479	432,213
Accounts receivable, net	12,101	14,730
Unbilled receivables	10,461	8,924
Operating lease right-of-use assets, net	7,401	8,109
Project assets, net	246,018	223,277
Current portion of operating lease liabilities	798	1,032
Accrued liabilities	22,535	16,099
Long-term operating lease liabilities	7,619	8,093
Total liabilities	184,755	169,923
Variable interest entity ("VIE")
Assets	105,641	54,375
Cash	2,842	1,364
Unbilled receivables	1,067
Operating lease right-of-use assets, net	1,186
Project assets, net	100,546	53,012
Current portion of operating lease liabilities	157
Accrued liabilities	500
Long-term operating lease liabilities	1,478
Total liabilities		0
Series B Preferred Stock
Preferred Stock, Liquidation Preference, Value	$ 64,020	$ 64,020