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Financial Liabilities - Additional Information (Detail) - USD ($) |  |  |  |  |  | 5 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 01, 2020 | May 05, 2020 | Jan. 28, 2020 | Feb. 06, 2019 | Feb. 08, 2017 | Sep. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Team loan |  |  |  |  |  |  | $ 17,865,000 | $ 14,230,000
Revolving Loan Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Team loan |  |  |  |  |  |  | 13,865,000 | $ 14,230,000
EWB Term Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Team loan |  |  |  |  |  |  | 4,000,000 |
Loan and Security Agreements | Revolving Loan Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Loan facility payable date |  |  |  | Feb. 08, 2021 |  |  |  |
Loan and Security Agreements | Revolving Loan Facility | Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit facility liquidity covenant in cash |  |  |  |  | $ 4,000,000 |  |  |
Loan and Security Agreements | Revolving Loan Facility | Prime Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Percentage of interest rate |  |  |  | 0.75% | 1.00% |  |  |
Loan and Security Agreements | EWB Term Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Borrowing capacity under credit facility |  |  | $ 15,500,000 | $ 20,000,000 |  |  |  |
Proceeds from lines of credit |  |  | 4,500,000 |  |  |  |  |
Loan facility, principal payment through first anniversary |  |  | $ 250,000 |  |  |  |  |
Loan and Security Agreements | EWB Term Loan | Prime Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Percentage of interest rate |  |  | 2.25% |  |  |  |  |
Loan and Security Agreements | East West Bank | Revolving Loan Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Borrowing capacity under credit facility |  |  |  | $ 20,000,000 | $ 16,000,000 |  |  |
Loan and Security Agreements | Venture Lending & Leasing VII and VIII, Inc. | Term Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Borrowing capacity under credit facility |  |  |  |  | $ 10,000,000 |  |  |
Loan and Security Agreements | East West Bank and Thursby |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Team loan |  |  |  |  |  |  | $ 4,000,000 |
Loan and Security Agreements | East West Bank and Thursby | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Team loan |  | $ 3,000,000 |  |  |  |  |  |
Loan and Security Agreements | East West Bank and Thursby | Subsequent Event | Scenario Forecast |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Minimum trailing six month EBITDA | $ 300,000 |  |  |  |  | $ 600,000 |  |
Loan and Security Agreements | East West Bank and Thursby | Period One | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Loan facility payable date |  | May 01, 2020 |  |  |  |  |  |
Loan and Security Agreements | East West Bank and Thursby | Period Two | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Loan facility payable date |  | Jun. 01, 2020 |  |  |  |  |  |
Loan and Security Agreements | East West Bank and Thursby | Period Three | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Loan facility payable date |  | Jul. 01, 2020 |  |  |  |  |  |

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