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STOCKHOLDERS' EQUITY (Detail Textuals 2)
1 Months Ended 12 Months Ended
Oct. 03, 2017
USD ($)
Nov. 17, 2017
Dec. 31, 2018
USD ($)
$ / shares
Feb. 28, 2019
USD ($)
Percent
$ / shares
Jun. 30, 2017
USD ($)
$ / shares
shares
Xencor, Inc. License Agreement          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Fair value of fair warrants | $ $ 4,193,000        
Common stock equal to fully diluted shares to purchase with fair value 10.00% 10.00%      
Expected dividends          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Warrants measurement input     0   0
Expected volatility          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Warrants measurement input     84.9   106.55
Risk free rate          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Warrants measurement input     2.04   1.89
Expected life          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expected life     6 years   5 years
Warrants          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of warrants issued | shares         31,667
Number of fully vested warrants issued | shares         31,667
Fair value of fair warrants | $     $ 4,193,000   $ 36,922
Warrants maturity date         Jun. 30, 2022
Exercise price of warrants | $ / shares     $ 10,000,000   $ 1.50
Common stock equal to fully diluted shares to purchase with fair value     10.00%    
Warrants | IPO [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Fair value of fair warrants | $       $ 247,452  
Warrants maturity date       Dec. 19, 2023  
Exercise price of warrants | $ / shares       $ 9.60  
Warrants | Expected dividends | IPO [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Warrants measurement input | Percent       0  
Warrants | Expected volatility | IPO [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Warrants measurement input | Percent       106.85  
Warrants | Risk free rate | IPO [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Warrants measurement input | Percent       2.51  
Warrants | Expected life | IPO [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expected life       4 years 10 months 24 days