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Stock Options and Restricted Stock Units - Schedule of Unvested Restricted Stock Units Roll Forward (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
12 Months Ended
Feb. 18, 2015
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares, Nonvested at beginning of year   250 500
Shares, Granted 15,000
Shares, Exercised  
Shares, Forfeited   (250)
Shares, Nonvested at end of year   250 250
Weighted average exercise price, Nonvested at beginning of year   $ 0.56 $ 0.56
Weighted average exercise price, Granted  
Weighted average exercise price, Exercised  
Weighted average exercise price, Forfeited   0.56
Weighted average exercise price, Nonvested at end of year   $ 0.56 $ 0.56