fair value based on expected cash flows discounted to net present value. The following table summarizes the Company’s financial assets and liabilities measured at fair value, as of December 31, 2017 and 2016:
| December 31, 2017 | December 31, 2016 | |||||||||||||||
| Level 1 | Level 2 | Level 1 | Level 2 | |||||||||||||
|
Derivative financial instrument (current asset) |
22 | 211 | 374 | 1,543 | ||||||||||||
|
Derivative financial instrument (non-current asset) |
— | 10,137 | — | 14,729 | ||||||||||||
|
Derivative financial instrument (current liability) |
26 | 3,921 | — | 264 | ||||||||||||
|
Derivative financial instrument (non-current liability) |
— | 1,769 | — | 6,403 | ||||||||||||