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Shareholders' Deficit (Tables)
6 Months Ended
Jun. 30, 2019
Stockholders' Equity Note [Abstract]  
Schedule of stock options by exercise price range
   Options Outstanding and Exercisable at
June 30, 2019
 
Range of Exercise Prices  Number
Outstanding
   Weighted
Remaining
Contractual
Life
  Weighted
Average
Exercise
Price
   Aggregate
Intrinsic
Value(1)
 
$0.40 to $0.60   5,276,223   1.3 years  $0.46   $ 
$0.61 to $1.00   9,550,000   1.1 years  $0.67   $ 
$1.01 to $1.50   14,500,000   1.2 years  $1.25   $ 
$1.51 to $2.25   3,000,000   1.7 years  $1.63   $ 
$0.40 to $2.25   32,576,223   1.3 years  $0.98   $