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Stock Based Compensation (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Jul. 27, 2017
Stock option issuance expense     $ 30,392 $ 75,410 $ 60,787 $ 148,146    
Unrecognized compensation expense related to unvested stock options, granted     100,000   $ 100,000      
Unrecognized compensation cost, recognized as expense over a weighted-average period         3 months 22 days      
Aggregate intrinsic value of outstanding options and vested options     $ 2,300,000   $ 2,300,000      
Warrants to purchase shares     193,196   193,196   193,196 500,000
Warrants exercise price per share     $ 8.60   $ 8.60   $ 8.60 $ 6.60
Restricted Stock [Member]                
Stock option issuance expense     $ 56,267 $ 139,296 $ 112,534 $ 277,062    
Unrecognized compensation expense related to unvested stock options, granted     $ 110,000   $ 110,000      
Restricted Stock [Member] | Steven Kriegsman [Member]                
Number of restricted shares granted 387,597 387,597            
Vested period 3 years 3 years            
Fair value of restricted stock $ 679,000 $ 1,000,000            
2000 Long Term Incentive Plan [Member]                
Share-based compensation, outstanding stock options     1,521   1,521      
2008 Stock Incentive Plan [Member]                
Number of common stock reserved for future issuance     5,000,000   5,000,000      
Share-based compensation, shares subject to stock options     2,300,000   2,300,000      
Expiration date         Nov. 20, 2018      
2008 Stock Incentive Plan [Member] | Restricted Stock [Member]                
Share-based compensation, shares subject to stock options     800,000   800,000      
2019 Stock Incentive Plan [Member]                
Number of common stock reserved for future issuance             5,400,000  
Share-based compensation, shares subject to stock options     5,400,000   5,400,000      
Expiration date             Nov. 14, 2029