LEASES - Narrative (Details)	3 Months Ended
	Mar. 31, 2022 CAD ($) ft² term	Mar. 31, 2022 USD ($) ft² term	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease cost, including related operating cost		$ 100,000	$ 100,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Other assets		Other assets
Right-of-use asset		$ 100,000		$ 100,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Other current liabilities		Other current liabilities
Short term lease liability		$ 100,000		$ 100,000
Minimum
Lessee, Lease, Description [Line Items]
Short-term lease, renewal frequency	6 months	6 months
Maximum
Lessee, Lease, Description [Line Items]
Short-term lease, renewal frequency	12 months	12 months
CANADA
Lessee, Lease, Description [Line Items]
Office space (in square feet) | ft²	31,100	31,100
Lease term		2 years
Renewal option | term	1	1
Renewal term		3 years
Monthly rent	$ 18,100	$ 14,500
Related operating expenses	$ 18,200	14,500
Massachusetts
Lessee, Lease, Description [Line Items]
Monthly rent		2,100
Pennsylvania
Lessee, Lease, Description [Line Items]
Monthly rent		$ 18,400