STOCKHOLDERS’ DEFICIT (Tables)
 12 Months Ended
Dec. 31, 2019
Stockholders' Equity Note [Abstract]  
Schedule of Stock by Class
The Company had reserved shares of common stock for future issuance as follows:

 
 
 
December 31,
 
 
 
2019
2018
Outstanding stock options
8,781,615

7,117,002

Warrants to purchase common stock
14,040,452

1,914,316

Shares issuable upon conversion of convertible debt
1,217,008

1,720,224

For possible future issuance under the Omnibus Plan
1,102,739

2,230,057

      Total common shares reserved for future issuance
25,141,814

12,981,599