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Stockholders Equity - Additional Information (Detail) | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2023 USD ($) | Dec. 31, 2019 USD ($) shares | Nov. 30, 2018 USD ($) shares | Dec. 31, 2023 USD ($) Vote $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Jan. 01, 2023 shares | Jan. 01, 2022 shares | Nov. 30, 2014 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Preferred stock, shares authorized |  |  |  | 1,000,000 |  |  |  |
Total number of shares of all class of capital stock authority to issue |  |  |  | 138,500,000 |  |  |  |
Common stock, shares authorized |  |  |  | 137,500,000 | 137,500,000 |  |  |
Common stock, par value | $ / shares |  |  |  | $ 0.01 | $ 0.01 |  |  |
Preferred stock, par value | $ / shares |  |  |  | $ 0.01 |  |  |  |
Payment to former employee | $ |  |  |  | $ 2,392,000 | $ 2,646,000 |  |  |
Income tax benefit related to stock-based compensation | $ |  |  |  | $ 0 | $ 0 |  |  |
Stock incentive plan, shares for granted |  |  |  | 16,652,000 | 16,599,000 |  |  |
Options granted with exercise prices less than current market value, Shares |  |  |  | 0 | 0 |  |  |
Income tax benefit related to stock-based compensation included in net loss | $ |  |  |  | $ 0 | $ 0 |  |  |
Common stock dividend payments | $ |  |  |  | 0 | 0 |  |  |
Unrecognized stock option compensation not yet recognized | $ |  |  |  | $ 2,800,000 |  |  |  |
Settlement of a contractual obligation | $ |  |  |  |  | $ 1,495,000 |  |  |
Equity Option |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Unrecognized compensation cost, weighted average recognition period |  |  |  | 3 years 3 months 18 days |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Unrecognized compensation cost, weighted average recognition period |  |  |  | 2 years |  |  |  |
Unrecognized compensation expense | $ |  |  |  | $ 800,000 |  |  |  |
Stock Incentive Plan 2021 |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock incentive plan, shares authorized |  |  |  |  |  | 1,294,725 | 1,261,566 |
Stock incentive plan, annual increase as a percentage of outstanding common stock |  |  |  | 3.00% |  |  |  |
Stock incentive plan, options term |  |  |  | 10 years |  |  |  |
Stock incentive plan, options annual vesting percentage |  |  |  | 25.00% |  |  |  |
Stock incentive plan, vesting period |  |  |  | 4 years |  |  |  |
Stock Incentive Plan 2021 | Restricted Stock Units |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock incentive plan, options annual vesting percentage |  |  |  | 25.00% |  |  |  |
Stock incentive plan, vesting period |  |  |  | 4 years |  |  |  |
Employee Stock Purchase Plan Twenty Fourteen |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock incentive plan, shares authorized |  |  |  | 225,000 |  |  |  |
Percentage of compensation eligible for purchase of stock |  |  |  | 15.00% |  |  |  |
Maximum value of stock employee is permitted to purchase in any calendar year | $ |  |  |  | $ 25,000 |  |  |  |
Stock purchased by eligible employee |  |  |  | 15,174 | 18,721 |  |  |
Maximum | Stock Incentive Plan 2021 |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock incentive plan, shares authorized |  |  |  |  |  | 6,056,291 |  |
Maximum | Stock Incentive Plan 2021 | Equity Option |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock incentive plan, shares authorized |  |  |  | 3,500,000 |  |  |  |
Stock incentive plan, shares for granted |  |  |  | 3,500,000 |  |  |  |
Maximum | Employee Stock Purchase Plan Twenty Fourteen |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock purchased by eligible employee, price per share | $ / shares |  |  |  | $ 2.01 | $ 2.18 |  |  |
Minimum | Employee Stock Purchase Plan Twenty Fourteen |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock purchased by eligible employee, price per share | $ / shares |  |  |  | $ 1.29 | $ 1.25 |  |  |
Callcap Acquisition |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  |  | 100.00% |  |  |  |  |
Cash paid for business acquisition | $ |  |  | $ 25,000,000 |  | $ 1,500,000 |  |  |
Consideration agreed to transfer | $ |  |  |  |  | $ 335,000 |  |  |
Shares issued in exchange for settling contractual obligation |  |  |  |  | 1,340,000 |  |  |
Interestincome (expense) and other, net | $ |  |  |  | $ (193,000) |  |  |  |
Consideration settled obligation | $ | $ 335,000 |  |  |  |  |  |  |
Transfer equipment book value | $ | 593,000 |  |  |  |  |  |  |
Consideration received in cash | $ | $ 65,000 |  |  |  |  |  |  |
Sonar Acquisition |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Payment to former employee | $ |  |  |  | $ 750,000 |  |  |  |
Business acquisition, percentage of voting interests acquired |  | 100.00% |  |  |  |  |  |
Cash paid for business acquisition | $ |  | $ 8,500,000 |  |  |  |  |  |
Class B |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  | 38,662,000 | 38,497,000 |  |  |
Common stock, shares authorized |  |  |  | 125,000,000 | 125,000,000 |  |  |
Votes per share | Vote |  |  |  | 1 |  |  |  |
Number of shares authorized to be repurchased |  |  |  |  |  |  |  | 3,000,000
Class B | Employee Stock Purchase Plan Twenty Fourteen |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Common stock purchase price as a percentage of fair value |  |  |  | 95.00% |  |  |  |
Class B | Maximum | Stock Incentive Plan 2021 |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock incentive plan, shares authorized |  |  |  | 2,000,000 |  |  |  |
Class B | Callcap Acquisition |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock issued during the period, shares |  |  | 3,400,000 |  |  |  |  |
Common stock issuance period |  |  | 4 years |  |  |  |  |
Class B | Sonar Acquisition |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock issued during the period, shares |  | 1,000,000 |  |  |  |  |  |
Common stock issuance period |  | 3 years |  |  |  |  |  |
Class B | Sonar Acquisition | Maximum |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Future earnout consideration, shares |  | 389,000 |  |  |  |  |  |
Class A |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  | 4,661,000 | 4,661,000 |  |  |
Common stock, shares authorized |  |  |  | 12,500,000 | 12,500,000 |  |  |
Votes per share | Vote |  |  |  | 25 |  |  |  |

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