Leases

3 Months Ended

Mar. 31, 2024

6. LEASES

We have operating leases primarily consisting of office and lab space, machinery and equipment and vehicles. We entered into a sublease agreement that commenced on July 1, 2023, for existing office and lab space in Calgary, Alberta, Canada.

The components of lease expense and other information are as follows (in thousands):


	Three Months Ended
	March 31,
	2024			2023
Consolidated Statements of Operations:
Operating lease expense	$	4,282		$	4,489
Short-term lease expense		552			429
Variable lease expense		429			604
Sublease income		(57	)		—
Total lease expense	$	5,206		$	5,522
Consolidated Statements of Cash Flows:
Operating cash flows - operating leases payments	$	3,850		$	4,165
Right of use assets obtained in exchange for operating lease obligations		1,534			8,590
Other information:
Weighted-average remaining lease term - operating leases	8.99 years			8.41 years
Weighted-average discount rate - operating leases		5.37	%		5.18	%

Scheduled undiscounted lease payments for non-cancellable operating leases consist of the following (in thousands):


	March 31, 2024
	Operating Leases			Operating Sublease
Remainder of 2024	$	9,919		$	(169	)
2025		10,341			(232	)
2026		8,074			(237	)
2027		6,313			(241	)
2028		4,907			(163	)
Thereafter		26,678			—
Total undiscounted lease payments		66,232		$	(1,042	)
Less: Imputed interest		(14,321	)
Total operating lease liabilities	$	51,911

See Note 13 - Other (income) and expense, net regarding lease abandonments during the three months ended March 31, 2024 and 2023.