Accrued Maintenance Liability (Tables)
|12 Months Ended|
Dec. 31, 2015
|Accrued Maintenance Liability [Abstract]|
|Schedule Of Movements In Accrued Maintenance Liability||
Movements in accrued maintenance liability during the years ended December 31, 2015 and 2014 were as follows:
Schedule Of Movements In Accrued Maintenance Liability [Table Text Block]
No definition available.