Due to Related Party - Additional Information (Detail)				3 Months Ended		12 Months Ended
	Feb. 01, 2022 USD ($)	Jan. 02, 2017 USD ($) $ / Unit	Apr. 15, 2015 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2017 USD ($)
Related Party Transaction [Line Items]
Due to related party (Note 2)				$ 373,800		$ 121,220
Subsidiaries [Member]
Related Party Transaction [Line Items]
Recoveries incurred				20,000	$ 19,000
Business Law Group Association Law [Member]
Related Party Transaction [Line Items]
Ownership percentage	50.00%
Business Law Group [Member]
Related Party Transaction [Line Items]
Monthly payment for cases		$ 82,000
Minimum fee paid per unit | $ / Unit		700
Service amount paid				188,000	246,000
Due to related party (Note 2)				643,000		677,000
Office sub lease income				15,000	17,000
Repayment received from related party								$ 252,771
Reserve balance due to related parties								$ 1,400,000
Amount written-off regained						200,000	$ 500,000
Receivable from related party				373,800		$ 121,200
Business Law Group [Member] | Out of Pocket Collection Costs [Member]
Related Party Transaction [Line Items]
Expenses incurred by company				$ 24,000	$ 22,000
Business Law Group Association Law [Member]
Related Party Transaction [Line Items]
Reduction In Compensation Payable	$ 53,000		$ 82,000
Termination fee	$ 150,000