The components of the provision for income taxes for the years ended December 31, 2016 and 2015 are as follows (in thousands):

 

 

 

Year Ended December 31,

 

 

 

2016

 

 

2015

 

Current:

 

 

 

 

 

 

 

 

Federal

 

$

 

 

$

 

State

 

 

1

 

 

 

2

 

Foreign

 

 

24

 

 

 

24

 

Total current tax expense

 

 

25

 

 

 

26

 

Deferred:

 

 

 

 

 

 

 

 

Federal

 

 

 

 

 

 

State

 

 

 

 

 

 

Foreign

 

 

 

 

 

 

Total deferred tax benefit

 

 

 

 

 

 

Total tax expense

 

$

25

 

 

$

26