v3.26.1
Stock-Based Compensation - Additional information (Detail)
 3 Months Ended 6 Months Ended 12 Months Ended
Nov. 04, 2022
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
grantee
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Share-Based Compensation Arrangement by Shares of the Company's Common Stock are Authorized for Issuance under the 2022 Plan | shares   2,588,804   2,588,804   1,588,804  
Common Stock, Capital Shares Reserved for Future Grant | shares   642,117   642,117   529,117  
Share-Based Compensation Arrangement by Share-Based Payment Award, Terms of Award           Stock options generally vest monthly over a four-year period of continuous service, subject to a one-year cliff. Certain awards vest monthly over a one-year period of continuous service without a cliff and have a maximum contractual term of ten years.  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value | $     $ 0   $ 0    
Share-Based Payment Arrangement, Expense, Income Tax Benefit | $   $ 0   $ 0   $ 0 $ 0
Common Stock, Shares, Issued | shares   5,544,050   5,544,050   5,752,800 5,745,000
Common Stock, Par or Stated Value Per Share | $ / shares   $ 0.0001   $ 0.0001   $ 0.0001 $ 0.0001
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited | shares             300,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Plan Modification, Description and Terms             the agreement was amended to reflect 450,000 shares with a new vesting start date of December 16, 2023, under the same four-year vesting terms.
Share-Based Payment Arrangement, Plan Modification, Incremental Compensation Cost | $             $ 0
Total stock-based compensation expense | $   $ 251,000 $ 35,000 $ 291,000 $ 56,000 $ 100,000 $ 100,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized | shares       1,000,000      
Minimum [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Share-Based Compensation Arrangement by Shares of the Company's Common Stock are Authorized for Issuance under the 2022 Plan | shares   1,588,804   1,588,804      
Maximum [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Share-Based Compensation Arrangement by Shares of the Company's Common Stock are Authorized for Issuance under the 2022 Plan | shares   2,588,804   2,588,804      
Share-Based Payment Arrangement, Option [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Terms of Award       Stock options generally vest monthly over a four-year period of continuous service, subject to a one-year cliff. Certain awards vest monthly over a one-year period of continuous service without a cliff and have a maximum contractual term of ten years.      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares   $ 2.24 $ 0.55 $ 1.64 $ 0.54 $ 0.53 $ 0.63
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value | $   $ 100 $ 43 $ 100 $ 43 $ 78 $ 13,199
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value | $   230,000 $ 55,000 271,000 $ 71,000 100,000 100,000
Share-Based Payment Arrangement, Cash Received from the Exercise of Stock Options | $           10,218 1
Share-Based Payment Arrangement, Expense, Income Tax Benefit | $   0   0   0 $ 0
Unrecognized stock-based compensation expense | $   $ 1,300,000   $ 1,300,000   $ 300,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition       2 years 9 months 18 days   1 year 9 months 18 days  
Share-Based Payment Arrangement, Plan Modification, Number of Grantees Affected | grantee             1
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period | shares   10,000 4,300 10,000 4,300 7,800 10,000
Restricted Stock [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Common Stock, Shares, Issued | shares 750,000            
Common Stock, Par or Stated Value Per Share | $ / shares $ 0.0001            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights The shares are subject to a repurchase right in favor of the Company for unvested shares and vest over a four-year (48-month) period, with 25% of the shares vesting on the 12-month anniversary of the vesting start date and the remainder vesting ratably on a monthly basis thereafter