Note 15. Schedule of minimum future payment (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
2015	$ 15,811
2016	14,076
2017	11,366
2018	9,003
2019	6,784
After 2019	8,348
Total minimum future rental payments	65,388
Less amount representing interest	37,114
Total principal obligations under leases	28,274
Less current portion	6,422
Non-current principal obligations under leases	21,852
Residual value at end of lease term	76,287
Obligations under leases	98,139
Financial Obligations
2015	15,138
2016	13,682
2017	11,046
2018	8,937
2019	6,784
After 2019	8,348
Total minimum future rental payments	63,935
Less amount representing interest	37,004
Total principal obligations under leases	26,931
Less current portion	5,808
Non-current principal obligations under leases	21,123
Residual value at end of lease term	76,287
Obligations under leases	97,410
Capital Leases
2015	673
2016	394
2017	320
2018	66
2019	0
After 2019	0
Total minimum future rental payments	1,453
Less amount representing interest	110
Total principal obligations under leases	1,343
Less current portion	614
Non-current principal obligations under leases	729
Residual value at end of lease term	0
Obligations under leases	$ 729