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Stock-Based Compensation - Additional Information (Detail) - USD ($) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
May 10, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | May 15, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares allocated for issuance to directors, officers and key personnel | 5,400,000 | 4,900,000 |  |  | 4,900,000 |  |  |
Number of Options, Granted |  | 25,000 | 0 |  | 125,000 | 400,000 |  |
Stock-based compensation expense |  |  |  |  | $ 1,677,000 | $ 1,278,000 |  |
Strike price | $ / shares |  | $ 10.06 |  |  | $ 11.24 | $ 18.41 |  |
Restricted shares granted |  | 0 | 2,675 |  | 19,924 | 13,979 |  |
Employee stock purchase estimation |  |  |  |  | The fair value of the six-month “look-back” option in the Company’s Employee Stock Purchase Plan is estimated by adding the fair value of 15% of one share of stock to 85% of the fair value of an option on one share of stock. |  |  |
Common stock, par value |  | $ 0.01 |  |  | $ 0.01 |  | $ 0.01 |
Number of additional shares authorized for issuance under share-based payment arrangement | 500,000 |  |  |  |  |  |  |
Stock Options And Restricted Stock [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares issued related to employee stock purchases |  | 0 |  | 46,765 | 17,804 | 158,932 |  |
Employee Stock Purchase Plan [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares available for future grants |  | 474,675 |  |  | 474,675 |  |  | 600,000
Stock-based compensation expense |  | $ 842,000 | $ 752,000 |  | $ 1,700,000 | $ 1,300,000 |  |
Number of shares issued related to employee stock purchases |  | 17,890 | 15,765 |  | 17,890 | 15,765 |  |
Percentage of maximum contribution of salary towards plan |  | 15.00% |  |  | 15.00% |  |  |
Maximum contribution towards plan |  | $ 25,000 |  |  | $ 25,000 |  |  |
Discount on purchase of common stock |  |  |  |  | 15.00% |  |  |
Share issued price per share |  | $ 8.4 | $ 12.63 |  | $ 8.4 | $ 12.63 |  |
Share-based payment arrangement, expense |  | $ 38,000 | $ 30,000 |  | $ 68,000 | $ 70,000 |  |
Stock Incentive Plan [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares available for future grants |  | 505,000 |  |  | 505,000 |  |  |

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