XML 72 R53.htm IDEA: XBRL DOCUMENT v3.22.0.1
LEASES - Narrative (Details)
 12 Months Ended
Dec. 31, 2021
CAD ($)
ft²
term
Dec. 31, 2021
USD ($)
ft²
term
Dec. 31, 2020
USD ($)
Lessee, Lease, Description [Line Items]      
Short term property leases   $ 262,000 $ 261,000
Operating lease cost, including related operating cost   $ 327,000 $ 301,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other assets Other assets Other assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Other current liabilities Other current liabilities Other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Other non-current liabilities Other non-current liabilities Other non-current liabilities
Canada      
Lessee, Lease, Description [Line Items]      
Office space (in square feet) | ft² 31,100 31,100  
Lease term 2 years 2 years  
Renewal option | term 1 1  
Renewal term 3 years 3 years  
Monthly rent $ 18,100 $ 14,300  
Related operating expenses $ 18,200 $ 14,300  
Massachusetts And Pennsylvania | Minimum      
Lessee, Lease, Description [Line Items]      
Renewal term 3 months 3 months  
Massachusetts And Pennsylvania | Maximum      
Lessee, Lease, Description [Line Items]      
Renewal term 6 months 6 months  
Massachusetts      
Lessee, Lease, Description [Line Items]      
Monthly rent   $ 2,100  
Pennsylvania      
Lessee, Lease, Description [Line Items]      
Monthly rent   $ 18,400