Commitments and Contingencies Operating Leases The Company leases certain facilities and equipment under noncancelable operating leases. The equipment leases are renewable at the option of the Company. At March 31, 2018 , future minimum lease payments under operating leases having initial or remaining noncancelable lease terms in excess of one year are as follows: 2018 $ 6,096 2019 9,441 2020 9,506 2021 8,601 2022 7,595 2023 6,558 Thereafter 23,923 Total $ 71,720 Rent expense, including other facility expenses, was $3,259 and $2,301 for the three months ended March 31, 2018 and 2017 , respectively. Purchase Commitments As of March 31, 2018 , the Company had outstanding contractual purchase commitments of $15,098 , which primarily relate to amounts that will be paid in 2018, 2019, and 2020 upon delivery of commercial non-browning apple trees. Contingencies In March 2012, Trans Ova was named as a defendant in a licensing and patent infringement suit brought by XY, LLC ("XY") alleging that certain of Trans Ova's activities breached a 2004 licensing agreement and infringed on patents that XY allegedly owned. Trans Ova filed a number of counterclaims in the case. In Colorado District Court, the matter proceeded to a jury trial in January 2016. The jury determined that XY and Trans Ova had each breached the licensing agreement and that Trans Ova had infringed XY's patents. In April 2016, the court issued its post-trial order, awarding $528 in damages to Trans Ova and $6,066 in damages to XY. The order also provided Trans Ova with a compulsory license to XY's technology, subject to an ongoing royalty obligation. Both parties appealed the court's order, which appeal is pending before the Court of Appeals for the Federal Circuit. Since the inception of the 2004 agreement, Trans Ova has remitted payments to XY pursuant to the terms of that agreement, or pursuant to the terms of the April 2016 court order, and has recorded these payments in cost of services in the consolidated statements of operations for the respective per