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Description of Business and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Aug. 24, 2020 | Feb. 05, 2019 | Sep. 30, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Merger related expenses incurred |  |  |  | $ 6,100,000 |  |  |  |
Merger related expenses capitalised |  |  | $ 4,400,000 | 4,400,000 |  |  |  |
Payment of merger related costs |  |  |  | 707,000 |  |  |  |
Merger related costs included in accounts payable and accrued liabilities |  |  | 3,700,000 | $ 3,700,000 |  |  |  |
Proceeds from temporary equity |  |  |  |  |  | $ 68,666,000 | $ 0 |
Concentration Risk Percentage |  |  |  | 100.00% | 100.00% | 100.00% | 100.00% |
Cash and cash equivalents |  |  | 50,700,000 | $ 50,700,000 |  | $ 27,080,000 | $ 9,602,000 |
Allowance for doubtful debts on accounts receivable current |  |  |  |  |  | 0 | 0 |
Goodwill carrying amount |  |  | 701,000 | 701,000 |  | 701,000 | 701,000 |
Impairment of goodwill |  |  |  |  |  | 0 | 0 |
Impairment of long lived asset tangible |  |  |  | 359,000 |  | $ 0 | $ 0 |
Percentage of income tax benefit to be realised for recognition in the income statement |  |  |  |  |  | 50.00% | 50.00% |
Current liabilities |  |  | $ 18,308,000 | 18,308,000 |  | $ 14,773,000 | $ 18,810,000 |
Class X Redeemable Preferred Stock [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Temporary equity issued during the period shares | 1,251,971 |  | 1,251,971 |  |  |  |  |
Temporary equity issue price per share | $ 135.8 |  |  |  |  |  |  |
Proceeds from temporary equity |  |  |  | 170,000,000 |  | 170,000,000 |  |
Net proceeds from temporary equity |  |  |  | $ 164,300,000 |  | $ 164,300,000 |  |
Proceeds from temporary additional equity | $ 30,000,000 |  |  |  |  |  |  |
Class A Common Stock |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Common stock, par value |  |  | $ 0.00001 | $ 0.00001 |  | $ 0.00001 | $ 0.00001 | $ 0.00001
Autonomy Solutions [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration Risk Percentage |  |  |  | 83.00% | 64.00% | 77.00% | 62.00% |
Goodwill carrying amount |  |  | $ 687,000 | $ 687,000 |  | $ 687,000 |  |
Other Component Sales [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration Risk Percentage |  |  |  | 17.00% | 36.00% | 23.00% | 38.00% |
Goodwill carrying amount |  |  | 14,000 | $ 14,000 |  | $ 14,000 |  |
Accounts Payable [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Merger related costs included in accounts payable and accrued liabilities |  |  | 2,100,000 | 2,100,000 |  |  |  |
Accounts Payable [Member] | Maximum |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration Risk Percentage |  |  |  |  |  | 10.00% |  |
Accounts Payable [Member] | Supplier [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration Risk Percentage |  |  |  |  |  | 14.00% |  |
Accrued Liabilities [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Merger related costs included in accounts payable and accrued liabilities |  |  | 1,600,000 | 1,600,000 |  |  |  |
Accounts Receivable [Member] | Customer One [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration Risk Percentage |  |  |  |  |  | 31.00% | 27.00% |
Accounts Receivable [Member] | Customer Two [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration Risk Percentage |  |  |  |  |  | 15.00% | 23.00% |
Accounts Receivable [Member] | Customer Three [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration Risk Percentage |  |  |  |  |  | 11.00% | 15.00% |
Gores Metropoulos, Inc. |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Penalties and interest related to uncertain tax positions |  |  |  |  |  | $ 0 | $ 0 |
Cash and cash equivalents |  |  | 518,874 | 518,874 |  | 1,365,240 | $ 52,489 |
Dilutive securities, effect on basic earnings per share |  |  |  | 0 |  | 0 |  |
Federal depository insurance coverage amount |  |  | $ 250,000 | $ 250,000 |  | $ 250,000 |  |
Class A common stock subject to possible redemption (in shares) |  |  | 38,420,462 | 38,420,462 | 38,639,955 | 38,713,476 | 0 |
Redemption percentage if business combination is not completed |  |  | 100.00% | 100.00% |  | 100.00% |  |
Investments and cash held in Trust Account |  |  | $ 405,725,195 | $ 405,725,195 |  | $ 406,434,959 |  |
Dissolution expenses, maximum allowed |  |  |  | 100,000 |  | 100,000 |  |
Redemption rights or liquidating distributions with respect to warrants |  |  | 0 | 0 |  | 0 |  |
Current liabilities |  |  | 3,098,900 | 3,098,900 |  | 1,355,865 | $ 486,849 |
Working capital |  |  | $ (2,520,566) | (2,520,566) |  | 145,774 | $ 3,015 |
Gores Metropoulos, Inc. | Maximum |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Threshold net tangible assets |  |  |  | $ 5,000,001 |  | $ 5,000,001 |  |
Number of months to complete business combination |  |  |  | 24 months |  | 24 months |  |
Number of days to redeem the shares if Business combination is not completed |  |  |  | 10 days |  | 10 days |  |
Gores Metropoulos, Inc. | IPO |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Offering costs including underwriter's fees |  | $ 22,865,105 |  |  |  | $ 22,865,105 |  |
Underwriter's fees |  | $ 22,000,000 |  |  |  | $ 22,000,000 |  |
Sale of common stock (in shares) |  | 40,000,000 |  |  |  |  |  |
Gores Metropoulos, Inc. | Class A Common Stock |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Common stock, par value |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001 | $ 0.0001 |
Sale of common stock (in shares) |  |  |  |  | 40,000,000 | 40,000,000 |  |
Class A common stock subject to possible redemption (in shares) |  |  |  |  |  | 38,713,476 | 0 |
Gores Metropoulos, Inc. | Class A Common Stock | IPO |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Sale of common stock (in shares) |  | 40,000,000 |  |  |  | 40,000,000 |  |
Gores Metropoulos, Inc. | Founder Shares |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Common stock, par value |  |  | 0.0001 | 0.0001 |  | $ 0.0001 |  |
Gores Metropoulos, Inc. | Class A Stock |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Common stock, par value |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001 |  |
Sale of common stock (in shares) |  | 40,000,000 |  |  |  |  |  |

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