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Balance Sheet Components - Schedule of other assets, noncurrent (Detail) - USD ($) | Oct. 31, 2021 | Sep. 30, 2021 | Jan. 31, 2021 | Dec. 31, 2020 | Jan. 31, 2020
--- | --- | --- | --- | --- | ---
Deferred offering costs |  | $ 0 |  | $ 85,750 |
Planet Labs Inc [Member] |  |  |  |  |
Deferred offering costs | $ 6,260,000 |  | $ 0 |  |
Deferred commissions | 1,102,000 |  | 1,697,000 |  | $ 102,000
Prepaid satellite launch services | 1,473,000 |  | 772,000 |  | 722,000
Other non-current assets | 142,000 |  | 515,000 |  | 379,000
Total other non-current assets | $ 8,977,000 |  | $ 2,984,000 |  | $ 1,203,000

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