Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

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

Years ending December 31:
2013	$ 1,207
2014	770
2015	706
2016	640
2017	410
Later years, through 2018	385
Total minimum lease payments	$ 4,118