Operating Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2013

Leases, Operating [Abstract]

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

Minimum rental commitments under noncancelable operating leases, as of December 31, 2013 were as follows:

Minimum lease obligations	Operating Lease Obligations
Year ending December 31, 2014	$	4,477
2015	3,119
2016	2,348
2017	1,455
2018	1,016
2019 and after	1,189
Total minimum lease payments	$	13,604