The Company has entered into lease agreements for office space and research facilities in San Diego County, California; Melbourne, Florida; Scottsdale, Arizona; Taipei, Taiwan; Shenzhen and Jiangsu, China; and Cambridgeshire, United Kingdom. Rent expense was $301,000 and $255,000 for the three months ended June 30, 2020 and 2019, respectively, and $548,000 and $490,000 for the six months ended June 30, 2020 and 2019, respectively. With the Company’s recent five year renewal of its San Diego location, the longest lease now expires in November 2025.

The future minimum lease payments required under operating leases in effect at June 30, 2020, were as follows (in thousands):

Year ending:
2020 (remaining six months)	$	361
2021		992
2022		719
2023		705
2024		686
2025		615
	$	4,078

In some agreements to which the Company is a party, the Company has agreed to indemnify the other party for certain matters, including, but not limited to, product liability and intellectual property. To date, there have been no known events or circumstances that have resulted in any material costs related to these indemnification provisions and no liabilities have been recorded in the accompanying financial statements.