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						Nine Months Ended
	September 30,						September 30,
	2023			2022			2023			2022
Cash paid for operating lease liabilities	$	70		$	84		$	230		$	219
Right-of-use assets obtained in exchange for new operating lease obligations	$	—		$	—		$	483		$	562
Weighted-average remaining lease term	2.0 years			2.9 years			2.0 years			2.9 years
Weighted-average discount rate		12.3	%		12.3	%		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 September 30, 2023, 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 September 30, 2023 for leases that have commenced are as follows (in thousands):


	September 30,
2024	$	1,047
2025		875
2026		207
2027 and thereafter		—
Total future minimum lease obligations		2,129
Less imputed interest		(257	)
Total lease liabilities	$	1,872

Current operating lease liabilities, included in accrued liabilities	$	877
Non-current lease liabilities		995
Total lease liabilities	$	1,872

As of September 30, 2023, right-of-use assets were $1.7 million and lease liabilities were $1.9 million.

Rent expense totaled $0.3 million and $0.9 million for the three and nine months ended September 30, 2023 and $0.3 million and $0.8 million for the three and nine months ended September 30, 2022.

Future minimum rental commitments under lease agreements, as of September 30, 2023, 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 2023	$	263
2024		1,046
2025		817
2026		3
2027 and thereafter		—
Total future minimum lease obligations		2,129
Less imputed interest		(257	)
Total lease liabilities	$	1,872