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Long-Term Debt and Revolving Credit Arrangement - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Disclosure Of Borrowings [Line Items]    
Line of credit $ 9,880,000 $ 7,760,000
Weighted average interest rate 5.05% 5.15%
Accounts Payable and Accrued Liabilities [Member]    
Disclosure Of Borrowings [Line Items]    
Accrued interest payable $ 234,000 $ 304,000
Non-Revolving Variable Rate Term Loan 2021 [Member] | FCC Loan [Member]    
Disclosure Of Borrowings [Line Items]    
Securities pledged as collateral 192,344,000 233,187,000
Revolving Operating Loan [Member]    
Disclosure Of Borrowings [Line Items]    
Amounts drawn on facility 2,000,000 0
Securities pledged as collateral 33,840,000 34,741,000
Revolving Operating Loan [Member] | Pure Sunfarms    
Disclosure Of Borrowings [Line Items]    
Total outstanding amount $ 7,880,000 7,760,000
Line of credit   $ 4,039,000