The Company enters into operating leases primarily for real estate, office equipment, and fleet vehicles. Lease terms generally range from one to five years, and often include options to renew for one year. The Company leases its corporate headquarters pursuant to a lease that expires on December 31, 2025 and leases a manufacturing facility located in Corona, California, which expires on June 30, 2025. The Company also leases additional office space and certain office equipment under various operating lease arrangements.

On January 22, 2020, the Company entered into a five-year real property lease agreement for an approximately 11,000 square foot facility in Corona, California for its manufacturing operations. The lease commenced on July 1, 2020. On December 10, 2021, the Company entered into a lease for an additional 15,000 square feet at its facility. This additional lease commenced on February 1, 2022 and expires on June 30, 2025.

On February 4, 2020, the Company also entered into a 66-month real property lease agreement for office space of approximately 12,000 square feet of office space in Lake Forest, California. The lease commenced on July 1, 2020. On May 26, 2022, the Company entered into an additional lease at this location to expand the leased space by an additional 8,000 square feet for an additional training facility and model dental office. The lease commenced on March 8, 2023 and expires December 31, 2025.

Information related to the Company’s right-of-use assets and related liabilities were as follows (in thousands):


	Three Months Ended
	March 31,
	2024			2023
Cash paid for operating lease liabilities	$	77		$	68
Right-of-use assets obtained in exchange for new operating lease obligations	$	—		$	464
Weighted-average remaining lease term	1.6 years			2.5 years
Weighted-average discount rate		12.3	%		12.3	%

Lease expense consists of payments for real property, office copiers, and IT equipment. The Company recognizes payments for non-lease components such as common area maintenance in the period incurred. As of March 31, 2024, the Company had no significant leases that had not commenced.

The Company allocates lease cost amongst lease and non-lease components. The Company excludes short-term leases (those with lease terms of less than one year at inception) from the measurement of lease liabilities or right-of-use assets.

Maturities of lease liabilities as of March 31, 2024 for leases that have commenced are as follows (in thousands):


	March 31,
2024	$	982
2025		613
2026		2
2027		—
2028 and thereafter		—
Total future minimum lease obligations		1,597
Less imputed interest		(151	)
Total lease liabilities	$	1,446

Current operating lease liabilities, included in accrued liabilities	$	904
Non current lease liabilities		542
Total lease liabilities	$	1,446

As of March 31, 2024, right-of-use assets were $1.3 million and lease liabilities were $1.4 million.

Rent expense totaled $0.3 million for the three months ended March 31, 2024 and 2023.

Future minimum rental commitments under lease agreements, as of March 31, 2024, with non-cancelable terms greater than one year for each of the years ending December 31 are as follows (in thousands):


	Year Ended
	December 31,
Remainder of 2024	$	778
2025		816
2026		3
2027		—
2028 and thereafter		—
Total future minimum lease obligations		1,597
Less imputed interest		(151	)
Total lease liabilities	$	1,446