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Stock Options and Award Programs (Details 2) - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Number of shares, granted 150,000 3,515,000
Employee Stock Option [Member]    
Number of shares, outstanding and exercisable, options outstanding, beginning balance 4,173,334 2,090,668
Number of shares, granted 150,000 3,515,000
Number of shares, cancelled 210,000 1,402,334
Number of shares, exercised 100,000 30,000
Number of shares, outstanding and exercisable, options outstanding, ending balance 4,013,334 4,173,334
Number of shares, options vested and expected to vest, ending balance 3,422,491 3,577,089
Number of shares, options outstanding and exercisable, ending balance 1,945,831 1,488,330
Weighted average exercise price per share, outstanding and exercisable, options outstanding, beginning balance $ 0.60 $ 0.86
Weighted average exercise price per share, granted 0.50 0.59
Weighted average exercise price per share, cancelled 0.83 0.97
Weighted average exercise price per share, exercised 0.44 0.57
Weighted average exercise price per share, outstanding and exercisable, options outstanding, ending balance 0.58 0.60
Number of shares, vested and expected to vest, outstanding, weighted average exercise price, ending balance 0.58 0.60
Weighted average exercise price per share, options outstanding and exercisable, ending balance $ 0.56 $ 0.61