Concentrations, Risks, and Uncertainties - Additional Information (Detail) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Concentration Risk [Line Items] | ||||
| Concentration risk percentage | 10.00% | 10.00% | 10.00% | 10.00% |
| Revenue from contract with customers excluding assessed tax | $ 14,659 | $ 9,411 | $ 21,135 | $ 13,713 |
| Accounts Receivable, Allowance for Credit Loss, Current | 0 | 0 | 0 | 0 |
| Accounts Receivable [Member] | ||||
| Concentration Risk [Line Items] | ||||
| Revenue from contract with customers excluding assessed tax | 6,100 | 5,000 | 15,600 | 9,300 |
| Accounts receivable | 600 | 2,000 | 3,100 | |
| Federal Government And Agencies [Member] | ||||
| Concentration Risk [Line Items] | ||||
| Revenue from contract with customers excluding assessed tax | 12,300 | $ 7,900 | 17,100 | 11,700 |
| Accounts receivable | $ 2,700 | $ 1,300 | $ 3,300 | |
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- Definition Percentage of concentration risk. No definition available.
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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