Commitments (Tables)

6 Months Ended

Jun. 30, 2013

Commitments [Abstract]

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

At June 30, 2013, the minimum payments under our operating leases for each of the five succeeding fiscal years were as follows (in thousands):

2013 (remaining six months)	$	2,922
2014	5,688
2015	5,439
2016	5,139
2017	4,458
2018	4,289
Thereafter	16,585
Total	$	44,520