Annual report pursuant to Section 13 and 15(d)

WARRANTS (Narrative) (Details)

v3.20.1
WARRANTS (Narrative) (Details) - USD ($)
1 Months Ended 2 Months Ended 12 Months Ended
Sep. 28, 2017
Apr. 25, 2016
Jun. 17, 2013
Dec. 31, 2017
Feb. 28, 2017
Sep. 30, 2016
Apr. 30, 2016
Oct. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Jan. 31, 2018
Oct. 02, 2017
Warrant liabilities                        
Warrants Exercised/ Expired                   345,155    
Common stock issued                 $ 33,000 $ 27,000    
Sale of common stock, net of offering costs                 9,919,000 21,189,000    
Proceeds from exercises of warrants                 $ 1,387,000 $ 260,000    
Common Stock                        
Warrant liabilities                        
Sales of common stock, net of offering costs (in shares)                 3,960,560 6,571,428    
Sale of common stock, net of offering costs                 $ 4,000 $ 6,000    
Placement Agents                        
Warrant liabilities                        
Implied unit price/stock price (in dollars per share) $ 4.85                      
Placement Agents | Common Stock                        
Warrant liabilities                        
Period end after closing                 2 years      
Placement Agents | Private Placement, Offering One                        
Warrant liabilities                        
Sold in private placement (in shares) 87,279                      
Placement Agents | Private Placement, Offering Two                        
Warrant liabilities                        
Sold in private placement (in shares) 11,567                      
Financing Warrant                        
Warrant liabilities                        
Warrants Exercised/ Expired                   0    
Financing Warrant | MDB                        
Warrant liabilities                        
Warrants to purchase shares of common stock or units (in shares)     208,763                  
Exercise price (in dollars per share)     $ 3.35                  
Warrant term     7 years                  
Underwriting Warrant                        
Warrant liabilities                        
Warrants Exercised/ Expired                   0    
Sales of common stock, net of offering costs (in shares) 1,976,919                      
Underwriting Warrant | Common Stock                        
Warrant liabilities                        
Warrants to purchase shares of common stock or units (in shares)           2,715,000            
Underwriting Warrant | Investors, Executives and Board Members                        
Warrant liabilities                        
Exercise price (in dollars per share)           $ 4.25            
Underwriting Warrant | Investors, Executives and Board Members | Private Placement                        
Warrant liabilities                        
Sales of common stock, net of offering costs (in shares)           135,750            
Underwriting Warrant | Placement Agents                        
Warrant liabilities                        
Sales of common stock, net of offering costs (in shares) 98,846                      
Underwriting Warrant | MDB                        
Warrant liabilities                        
Warrants to purchase shares of common stock or units (in shares)     310,500                  
Exercise price (in dollars per share)     $ 7.50                  
Warrant term     5 years                  
Warrants exercisable period from underwriting agreement     180 days                  
Private Placement Warrants                        
Warrant liabilities                        
Sale of common stock, net of offering costs       $ 2,400,000                
Non-cash warrant inducement expense       239,000                
Proceeds from exercises of warrants       $ 2,200,000                
Private Placement Warrants | Private Placement                        
Warrant liabilities                        
Warrants to purchase shares of common stock or units (in shares)             1,996,880     836,780    
Private Placement Warrants | Investors, Executives and Board Members                        
Warrant liabilities                        
Exercise price (in dollars per share)   $ 2.86               $ 2.86    
Period start after closing   6 months                    
Period end after closing   36 months                    
Private Placement Warrants | Investors, Executives and Board Members | Private Placement                        
Warrant liabilities                        
Sales of common stock, net of offering costs (in shares)             1,996,880          
Private Placement Warrants | Placement Agents                        
Warrant liabilities                        
Sales of common stock, net of offering costs (in shares)   99,844   836,780                
Implied unit price/stock price (in dollars per share)   $ 2.86                    
Private Placement Warrants, September 2017                        
Warrant liabilities                        
Warrants Exercised/ Expired                   10,600    
Private Placement Warrants, September 2017 | Private Placement                        
Warrant liabilities                        
Warrants to purchase shares of common stock or units (in shares) 1,745,581             1,976,919       231,338
Period start after closing         6 months              
Private Placement Warrants, September 2017 | Investors, Executives and Board Members | Capital Units                        
Warrant liabilities                        
Exercise price (in dollars per share)               $ 4.85        
Private Placement Warrants, September 2017 | Investors, Executives and Board Members | Private Placement | Capital Units                        
Warrant liabilities                        
Sales of common stock, net of offering costs (in shares)               1,976,919        
Bridge Warrants                        
Warrant liabilities                        
Warrants Exercised/ Expired                   249,999    
Bridge Warrants | Founders                        
Warrant liabilities                        
Warrants to purchase shares of common stock or units (in shares)                     249,999  
Exercise price (in dollars per share)                 $ 0   $ 0.20  
Warrants and rights outstanding, value                 $ 1,600,000      
Common stock issued                 $ 1,600,000      
Bridge Warrants | Sales, Marketing and Administration | Founders                        
Warrant liabilities                        
Fair value adjustment of warrants                   $ 2,000    
Consulting Warrant                        
Warrant liabilities                        
Warrants Exercised/ Expired                   5,556    
Consulting Warrant | MDB                        
Warrant liabilities                        
Warrants to purchase shares of common stock or units (in shares)     222,222                  
Exercise price (in dollars per share)     $ 0.01                  
Warrant term     7 years                  
Options Exercised, Cashless | Financing Warrant                        
Warrant liabilities                        
Warrants Exercised/ Expired                   5,556    
Options Exercised, Cashless | Private Placement Warrants                        
Warrant liabilities                        
Warrants Exercised/ Expired                   73,000