XML 47 R34.htm IDEA: XBRL DOCUMENT v3.20.1
MONSTER MERGER AND FINANCING - Narrative (Details)
12 Months Ended
Jan. 29, 2018
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Apr. 29, 2019
$ / shares
Apr. 25, 2019
$ / shares
Business Acquisition [Line Items]          
Proceeds from issuance of common stock $ 18,100,000 $ 20,706,919 $ 18,132,661    
Net proceeds from issuance of common stock after deduction of stock issuance costs 16,500,000        
Placement agent fees $ 1,600,000        
Warrant term 5 years        
Number of warrants issued (in shares) | shares 1,400,000        
Exercise price of warrants or rights (in dollars per share) | $ / shares         $ 2.13
Warrants issued with common stock $ 2,000,000   1,995,000    
Warrants issued to placement agents $ 913,000   $ 913,000    
Warrant          
Business Acquisition [Line Items]          
Exercise price of warrants or rights (in dollars per share) | $ / shares $ 3.18     $ 2.13  
Placement Agent          
Business Acquisition [Line Items]          
Number of warrants issued to placement agents (in shares) | shares 349,555        
Placement Agent | Warrant          
Business Acquisition [Line Items]          
Exercise price of warrants or rights (in dollars per share) | $ / shares $ 2.54        
Affiliates          
Business Acquisition [Line Items]          
Number of warrants issued to affiliates (in shares) | shares 279,862        
Affiliates | Warrant          
Business Acquisition [Line Items]          
Exercise price of warrants or rights (in dollars per share) | $ / shares $ 3.18        
Convertible Promissory Notes          
Business Acquisition [Line Items]          
Aggregate principal amount $ 8,600,000        
Conversion price (in dollars per share) | $ / shares $ 0.72        
Conversion discount percentage 25.00%        
Beneficial conversion feature $ 3,100,000        
Accrued Interest          
Business Acquisition [Line Items]          
Aggregate principal amount $ 582,000        
Expected dividend yield          
Business Acquisition [Line Items]          
Measurement input 0        
Expected stock price volatility          
Business Acquisition [Line Items]          
Measurement input 0.848        
Risk-free interest rate          
Business Acquisition [Line Items]          
Measurement input 0.025