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Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Caivis Group [Member] | Accounts Payable and Accrued Liabilities [Member]        
Related Party Transaction [Line Items]        
Due to related party $ 39,000     $ 20,000
Casting Made Simple Corp [Member] | Websites Traffic Monetization Agreement [Member]        
Related Party Transaction [Line Items]        
Related party costs 47,000 $ 96,000    
ZETAKinetic Data Solutions Llc [Member] | Electronic Mail Marketing Services [Member]        
Related Party Transaction [Line Items]        
Related party transaction income $ 0 $ 129,000 $ 0