2017 | 2016 | 2015 | ||||||
Interest income | 53,570 | 67,565 | 36,562 | |||||
Net foreign currency exchange gain | 1,912,681 | 843,950 | 1,806,206 | |||||
Revaluation gain from derivative financial instruments | 3,372,186 | 291,048 | — | |||||
Total finance income | 5,338,437 | 1,202,563 | 1,842,768 | |||||
Interest expense (incl. Bank charges) | 1,640,394 | 828,547 | 7,985 | |||||
Net foreign currency exchange loss | 2,737,273 | 944,047 | 662,100 | |||||
Total finance expense | 4,377,667 | 1,772,594 | 670,085 | |||||
Finance income/(expense), net | 960,770 | (570,031 | ) | 1,172,683 | ||||