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Common Stock - Summarizes the Company's remaining authorized shares available (Detail) - shares
Sep. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Common Stock.      
Authorized shares 300,000,000   300,000,000
Common stock outstanding 15,085,792   15,155,026
Options outstanding 364,125    
Warrants outstanding 1,065,137 1,220,194 1,220,194
Reserved for issuance under 2019 Stock and Incentive Plan 387,002    
Available shares 283,097,944