v3.5.0.2
Summary of Significant Accounting Principles (Tables)
6 Months Ended
Jun. 30, 2016
Summary of Significant Accounting Principles [Abstract]  
Schedule of estimated useful lives

Buildings: 15 - 30 years

Leasehold improvements: 7 years

Software: 3 - 6 years

Equipment: 5 years

Vehicles and prototypes: 3 - 5 years

Income taxes
Approximate net operating
loss
($ millions)
  Carryover to be used
against taxable income
generated through year
 
     
 3.6   2030 
 6.7   2031 
 3.9   2032 
 4.7   2033 
 6.1   2034 
 9.0   2035 
 

6.9

   2036