Years ended December 31,

2017

2016

(in thousands)

Bank fees and interest

$

1

$

1

Change in fair value of derivative warrant liability

(285

)

(262

)

Financing loss on debt extinguishment

2,364

-

Exchange rate differences

5

(44

)

Revaluation and interest on convertible loans

237

333

$

2,322

$

28