Annual report pursuant to Section 13 and 15(d)

Bank Indebtedness and Production Facilities (Details)

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Bank Indebtedness and Production Facilities (Details)
 3 Months Ended 12 Months Ended
Mar. 17, 2023
CAD ($)
Apr. 08, 2024
USD ($)
Dec. 31, 2023
USD ($)
violation
Apr. 08, 2024
CAD ($)
Dec. 31, 2023
CAD ($)
violation
Dec. 31, 2022
USD ($)
Dec. 31, 2022
CAD ($)
Line of Credit Facility [Line Items]              
Bank Indebtedness     $ 2,905,000     $ 1,741,000  
Line of credit     4,200,000   $ 5,500,000    
Production facilities, net     $ 15,336,000     18,282,000  
Debt instrument, covenant compliance, number of violations | violation     2   2    
Revolving Demand Facility              
Line of Credit Facility [Line Items]              
Bank Indebtedness     $ 2,900,000   $ 3,800,000 1,700,000 $ 2,400,000
Revolving Demand Facility | Subsequent Event              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity       $ 1,000,000      
Revolving Demand Facility | Prime Rate | Subsequent Event              
Line of Credit Facility [Line Items]              
Debt instrument, basis spread on variable rate   2.00%          
Letter of Credit | Subsequent Event              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity   $ 200,000          
Debt instrument, term   1 year          
Equipment Lease Line              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity $ 4,000,000            
Line of credit     $ 1,200,000   1,600,000 2,400,000 3,300,000
Equipment Lease Line | Subsequent Event              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity       1,600,000      
Equipment Lease Line | Minimum              
Line of Credit Facility [Line Items]              
Line of credit facility, interest rate during period 3.94%            
Lessee, finance lease, term of contract 2 months            
Equipment Lease Line | Maximum              
Line of Credit Facility [Line Items]              
Line of credit facility, interest rate during period 7.18%            
Lessee, finance lease, term of contract 34 months            
Treasury Risk Management Facility              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity         500,000    
Line of credit         0   0
Maximum remaining maturity of foreign currency derivatives     1 year        
Treasury Risk Management Facility | Subsequent Event              
Line of Credit Facility [Line Items]              
Line of credit       $ 0      
Production Facilities              
Line of Credit Facility [Line Items]              
Production facilities, net     $ 15,300,000   20,300,000 18,300,000 24,800,000
Production facilities, interest     $ 1,400,000   1,900,000 1,100,000 1,500,000
Production Facilities | Prime Rate | Minimum              
Line of Credit Facility [Line Items]              
Debt instrument, basis spread on variable rate     1.00%        
Production Facilities | Prime Rate | Maximum              
Line of Credit Facility [Line Items]              
Debt instrument, basis spread on variable rate     1.25%        
Equipment Lease Facility              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity         $ 1,400,000    
Lessee, finance lease, term of contract     3 years   3 years    
Line of credit     $ 800,000   $ 1,100,000 $ 500,000 $ 700,000