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Warrants (Details 1) - Warrant [Member] - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Number of Warrants      
Outstanding - Beginning Balance 2,280,000 2,232,500 2,232,500
Exercisable - Beginning Balance 2,280,000 2,232,500 2,232,500
Granted 50,000 0  
Forfeited or Expired (60,000) (37,500)  
Outstanding - Ending Balance 2,270,000 2,195,000 2,280,000
Exercisable - Ending Balance 2,220,000 2,195,000 2,280,000
Weighted Average Exercise Price per Share      
Outstanding - Beginning Balance $ 0.72 $ 1.36 $ 1.36
Exercisable - Beginning Balance 0.72 1.36 1.36
Granted 1.06 0  
Weighted Average Exercise Price per Share, Forfeited or Expired 2.91 10.00  
Outstanding - Ending Balance 0.67 1.21 0.72
Exercisable - Ending Balance $ 0.66 $ 1.21 $ 0.72
Weighted Average Contractual Life in Years      
Outstanding 3 years 15 days 3 years 10 months 28 days 3 years 5 months 9 days
Exercisable 3 years 11 days 3 years 10 months 28 days 3 years 5 months 9 days
Aggregate Intrinsic Value      
Outstanding $ 0    
Exercisable - Beginning Balance 0 $ 0 $ 0
Exercisable - Ending Balance $ 838,450 $ 0