Commitments (Tables)

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

The following table presents our annual minimum rental payments under non-cancelable operating leases that have lease terms of one year or more (in thousands) as of March 31, 2015:

Remaining 2015	$	6,280
2016	6,969
2017	4,769
2018	2,030
2019	680
2020 and thereafter	325
	$	21,053