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Summary of Significant Accounting Policies - Additional Information (Details) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 27, 2020 | Jun. 30, 2021 USD ($) shares | Jun. 30, 2020 USD ($) shares | Mar. 31, 2020 USD ($) | Jun. 30, 2021 USD ($) segment shares | Jun. 30, 2020 USD ($) shares | Dec. 31, 2020 USD ($) | Dec. 31, 2018 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Number of Reportable Segments | segment |  |  |  |  | 1 |  |  |
Accounts receivable |  | $ 33,314,000 |  |  | $ 33,314,000 |  | $ 9,806,000 |
Allowance for doubtful accounts |  | 1,800,000 |  |  | 1,800,000 |  |  |
Accounts Receivable, net |  | 35,100,000 |  |  | 35,100,000 |  |  |
Goodwill impairment loss |  |  |  |  | 0 |  | $ 0 |
Operating Loss Carryforwards |  | $ 38,500,000 |  |  | 38,500,000 |  |  |
Deferred Tax Assets, Valuation Allowance |  |  |  |  |  |  |  | $ 11,300,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  |  |  |  | $ 14,000,000.0 |  |  |
Options and warrants excluded from the calculation of diluted shares | shares |  | 30,843 | 5,282,377 |  | 199,694 | 7,042,377 |  |
State and Local Jurisdiction [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Operating Loss Carryforwards |  | $ 31,300,000 |  |  | $ 31,300,000 |  |  |
Customer Concentration Risk [Member] | One Customer | Revenue from Contract with Customer [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  | 10.00% | 12.00% |  |
Customer Concentration Risk [Member] | One Customer | Accounts Receivable |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Accounts Receivable, net |  | $ 2,200,000 | $ 2,000,000.0 |  | $ 2,200,000 | $ 2,000,000.0 |  |
CARES Act |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Percent of taxable income offset for taxable years beginning before 2021 | 100.00% |  |  |  | 80.00% |  |  |
Preliminary tax benefit related to the alternative minimum tax refund |  |  |  | $ 47,000 |  |  |  |
Additional tax benefit related to the alternative minimum tax refund |  |  | $ 380,000 |  |  |  |  |

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