Rendering

Component: (Network and Table)
Network
00000035 - Disclosure - 15. Warrants (Tables)
(http://blackridgeoil.com/role/WarrantsTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Warrants and Rights Note Disclosure [Abstract]Period [Axis]
2015-01-01 - 2015-12-31
Warrants and Rights Note Disclosure [Abstract]
 
Warrants outstanding
    Shares Underlying
Shares Underlying Warrants Outstanding   Warrants Exercisable
        Weighted            
    Shares   Average   Weighted   Shares   Weighted
    Underlying   Remaining   Average   Underlying   Average
Range of   Warrants   Contractual   Exercise   Warrants   Exercise
Exercise Prices   Outstanding   Life   Price   Exercisable   Price
$0.65 - $1.50   8,548,375   1.74 years   $0.95   8,548,375   $0.95
 
 
Assumptions used for grants under the fixed option
    December 31,
    2015   2014
Average risk-free interest rates     N/A     N/A
Average expected life (in years)     N/A     N/A
Volatility     N/A     N/A
 
 
Summary of activity of outstanding warrants
       Weighted 
       Average 
   Number   Exercise 
   of Shares   Prices 
Balance, December 31, 2013   9,463,375   $0.94 
Warrants expired        
Warrants cancelled   (330,000)   (1.50)
Warrants granted        
Warrants exercised        
Balance, December 31, 2014   9,133,375    0.92 
Warrants expired   (585,000)   (0.38)
Warrants cancelled        
Warrants granted        
Warrants exercised        
Balance, December 31, 2015   8,548,375    0.95 
           
Exercisable, December 31, 2015   8,548,375   $0.95