Certain wafer manufacturers require the Company to forecast wafer starts several months in advance. The Company is committed to take delivery of and pay for a portion of forecasted wafer volume. As of the end of 2018 and 2017, the Company had $22,000 and $1.1 million respectively, of outstanding commitments for the purchase of wafer inventory.

The Company has purchase obligations with certain suppliers for the purchase of goods and services entered into in the ordinary course of business. As of December 30, 2018, total outstanding purchase obligations due within the next 12 months were $931,000.

The Company leases its primary facility under a non-cancelable operating lease that expires in March 2020. In October 2018, the Company submitted a nine months termination notice to the landlord to end the lease in July 2019. On February 13, 2019, the Company entered into an agreement to lease approximately 24,164 square feet of premises located at 2220 Lundy Avenue, San Jose, CA 95131 for a period of five years, effective April 15, 2019 to relocate its headquarters.

In October 2018, the Company leased a facility for research and development in San Diego, California, the lease of which expires in July 2020. In addition, the Company rents development facilities in India as well as sales offices in Europe and Asia. Total rent expense during 2018, 2017 and 2016 was approximately $881,000, $866,000 and $834,000 respectively.

Future minimum lease commitments under the Company’s operating leases excluding property taxes and insurance are as follows:

	Operating Leases
	(in thousands)
Fiscal Years
2019	$	816
2020		584
2021		477
2022		409
2023 and after		528
	$	2,814