pre_text: 4. Restructuring Activity From time to time, the Company approves and implements restructuring plans as a result of internal resource alignment, and cost saving measures. Such restructuring plans include terminating employees, vacating certain leased facilities, and cancellation of contracts. The following table presents the activity related to the plans, which is included in restructuring charges in the consolidated statements of operations: Included in employee separation expenses for the year ended December 31, 2017 is stock-based compensation from the acceleration of certain stock-based awards the Company assumed from Exar due to existing change in control provisions triggered upon termination or diminution of authority of former Exar executives of $5.1 million. Lease related and other charges primarily related to exiting certain redundant facilities.
table: Years Ended December 31,
table: 2019 2018 2017
table: (in thousands)
table: Employee separation expenses $1,150 $2,094 $8,353
table: Lease related expenses 1,301 1,608 1,025
table: Other 185 136 146
table: $2,636 $3,838 $9,524
question: Analyse this data from a financial earnings document. What is the average Employee separation expenses for the year ended December 31, 2019 to 2018?