6. Leases

Rent expense is recognized on a straight-line basis over the period of the lease taking into account future rent escalation and holiday periods.

Rent expense for the years ended December 31, 2022 and 2021 was as follows:

	Year ended
	December 31,
	2022		2021
Rent expense	$	684	$	719

We occupy a 1,350 square-foot facility in Gainesville, Florida under the terms of an operating lease that expires in February 2028. The Gainesville facility is used primarily to support our research and development activities.

We occupy a21,443square-foot facility in Salt Lake City, Utah under the terms of an operating lease, which has been amended in February 2023 to expire in February 2028. Under the terms of this amendment, we will reduce our space to approximately 9,402 square feet. The facility supports our principal administrative, sales, marketing, customer support, and research and product development activities.

We occupy a6,175square-foot facility in Chennai, India under the terms of an operating lease expiring in August 2023. This facility supportsour administrative, marketing, customer support, and research and product development activities.

We occupy a40,000square-foot warehouse in Salt Lake City, Utah under the terms of an operating lease expiring in April 2025, which serves as our primary inventory fulfillment center.

Supplemental cash flow information related to leases was as follows:

	Year ended December 31,
	2022			2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	680	$	685
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	107	$	212

Supplemental balance sheet information related to leases was as follows:

	December 31, 2022				December 31, 2021
Operating lease right-of-use assets	$	1,047		$	1,537

Current portion of operating lease liabilities, included in accrued liabilities	$	641		$	623
Operating lease liabilities, net of current portion		492			1,026
Total operating lease liabilities	$	1,133		$	1,649

Weighted average remaining lease term for operating leases (in years)		2.12			2.64
Weighted average discount rate for operating leases		5.93	%		5.87	%

The following represents maturities of operating lease liabilities as of December 31, 2022:

Years ending December 31,
2023	$	691
2024		367
2025		94
2026		26
2027		26
Thereafter		4
Total lease payments		1,208
Less: Imputed interest		(75	)
Total	$	1,133