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Organization and Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share for Out of Money Potential Common Shares (Detail) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Out of the money options and warrants excluded 916,158 1,112,293 1,112,293
Stock Options With an Exercise Price of $12.48 per Share [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Out of the money options and warrants excluded 136,833 136,833 136,833
Stock Options With an Exercise Price of $12.84 per Share [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Out of the money options and warrants excluded 4,167 4,167 4,167
Stock Options With an Exercise Price of $26.40 per Share [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Out of the money options and warrants excluded 75,158 75,158 75,158
Stock Options With an Exercise Price of $5.76 per Share [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Out of the money options and warrants excluded 0 196,135 196,135
Stock Options With an Exercise Price of $7.16 per Share [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Out of the money options and warrants excluded 700,000 700,000 700,000