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Principal Activities and Organization - Additional Information (Detail) - CNY (¥)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Variable Interest Entity, Primary Beneficiary [Member]    
Principal Activities And Organization [Line Items]    
Registered capitals and statutory reserves of variable interest entity ¥ 9,002,000 ¥ 8,992,000
Exclusive Call Option Agreement [Member]    
Principal Activities And Organization [Line Items]    
Total transfer price for the target equity or the target asstets ¥ 100  
Exclusive Technology Development Consulting And Service Agreement [Member] | Beijing Glorywolf Co Ltd [Member]    
Principal Activities And Organization [Line Items]    
Notice Period For Termination Of Agreement 30 days  
Exclusive Technology Development Consulting And Service Agreement [Member] | Variable Interest Entity, Primary Beneficiary [Member]    
Principal Activities And Organization [Line Items]    
Agreement, Term 10 years  
Agreement, Renewal term ten years or otherwise as agreed  
Equity Interest Pledge Agreement [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nominee Shareholder [Member]    
Principal Activities And Organization [Line Items]    
Percentage of equity interests pledged 100.00%