5. Leases

The Company leases two buildings in Minnesota totaling approximately 58,000 square-feet under operating leases. One lease in Minnesota, for 26,000 square-feet, expires in December 2016 and the Company does not intend to renew it. The second lease in Minnesota, for 32,000 square-feet, continues to remain in effect through October 2020. The Company also leases one building in Ireland, totaling approximately 5,000 square feet, which continues to remain in effect until July 2020. Rent expense related to the operating leases was approximately $270,000, $1,010,000 and $1,350,000 for the years ended December 31, 2015, 2014, and 2013, respectively.

Future minimum lease commitments under the operating leases as of December 31, 2015 are as follows:

	(in thousands)
2016	$	486
2017		214
2018		218
2019		222
2020		171
	$	1,311