Quarterly report pursuant to Section 13 or 15(d)

Stock Incentive Plan - Schedule of Stock Option Activity (Detail)

v3.22.2.2
Stock Incentive Plan - Schedule of Stock Option Activity (Detail) - Employee Stock Option [Member]
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Shares    
Beginning Balance | shares 1,900,417  
Granted | shares 120,000  
Exercised | shares (42,913)  
Forfeited or expired | shares (166,164)  
Ending Balance | shares 1,811,340 1,900,417
Exercisable | shares 1,081,090  
Expected to Vest | shares 693,372  
Weighted Average Exercise Price    
Beginning Balance $ 3.01  
Granted 3.11  
Exercised 2.27  
Forfeited or expired 6.1  
Ending Balance 2.76 $ 3.01
Exercisable 3.35  
Expected to Vest 2.78  
Weighted Average Grant Date Fair value    
Beginning Balance 1.37  
Granted 2.52  
Exercised 1.12  
Forfeited or expired 3.47  
Ending Balance 1.26 $ 1.37
Exercisable 1.4  
Expected to Vest $ 1.27  
Weighted Average Remaining Contractual Term    
Contractual term 4 years 3 months 18 days 4 years 4 months 24 days
Exercisable 2 years 9 months 18 days  
Expected to Vest 4 years 3 months 18 days  
Aggregate Intrinsic Value    
Beginning Balance | $ $ 1,310  
Granted $ 0  
Exercised | $ $ 55  
Forfeited or expired | $ 0  
Ending Balance | $ 278 $ 1,310
Exercisable | $ 87  
Expected to Vest | $ $ 268