Commitments (Tables)

6 Months Ended

Jun. 30, 2016

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 June 30, 2016:

Remaining 2016	$	3,756
2017	6,040
2018	3,274
2019	1,180
2020	180
2021 and thereafter	479
	$	14,909