Commitments (Tables)

12 Months Ended

Dec. 31, 2014

Commitments [Abstract]

Future minimum commitments under non-cancelable operating lease arrangements

At December 31, 2014, future minimum commitments under non-cancelable operating lease arrangements were as follows:

Year ended December 31:
2015	$	1,194
2016		600
2017		588
2018		528
2019		193
2020 and thereafter		90
Total commitments	$	3,193