Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details Narrative)

v3.20.1
Stockholders' Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jul. 31, 2019
Jun. 21, 2019
Feb. 05, 2019
Dec. 31, 2019
Feb. 28, 2019
Dec. 31, 2019
Dec. 31, 2018
Aug. 31, 2019
Number of shares issued for services, value           $ 1,042    
Number of options, exercised            
Number of options, granted           200,000 338,750  
Fair value of options, vested           $ 299    
Fair value options vesting term             2 years 7 months 17 days  
Stock-based compensation expense           713 $ 889  
Non-vested stock options granted, unrecognized estimated compensation cost       $ 185   $ 185    
Non-vested stock options granted, weighted average period           11 months 8 days    
Warrants, term       2 years   2 years    
Gross proceeds from warrants exercised           $ 91  
Warrants, modification expense           $ 412    
Warrant Amendment [Member]                
Warrants, amendment description     On February 5, 2019, the Company entered into amendments to its two-year warrants (the "Warrant Amendment") to purchase an aggregate of 266,667 shares of Common Stock at an exercise price of $3.00 per share (the "$3.00 Warrants") and warrants to purchase an aggregate of 420,000 shares of Common Stock at an exercise price of $6.00 per share (the "$6.00 Warrants"), issued in January and February 2015, to extend the expiration date of the warrants for two additional years. The warrants were previously extended for two years in January 2017. In addition, the Warrant Amendment amended the exercise price with respect to the $3.00 Warrants from $3.00 per share to $3.35 per share. The exercise price of the $6.00 Warrants was unchanged.          
Common Stock [Member]                
Number of shares issued for services           275,000  
Number of shares issued for services, value              
Number of shares issued              
Number of options, exercised             48,017  
Common Stock [Member] | Warrant Amendment [Member] | Warrant One [Member]                
Warrants issued to purchase stock     266,667          
Warrants, exercise price     $ 3.00          
Warrants, maturity date     Jan. 29, 2021          
Common Stock [Member] | Warrant Amendment [Member] | Warrant Two [Member]                
Warrants issued to purchase stock     420,000          
Warrants, exercise price     $ 6.00          
Warrants, maturity date     Jan. 29, 2021          
Common Stock [Member] | Warrant Amendment [Member] | Warrant Three [Member]                
Warrants issued to purchase stock     140,000          
Warrants, exercise price     $ 6.00          
Warrants, maturity date     Feb. 10, 2021          
Common Stock [Member] | Warrant Amendment [Member] | Warrant Four [Member]                
Warrants issued to purchase stock     13,333          
Warrants, exercise price     $ 6.00          
Warrants, maturity date     Feb. 23, 2021          
Preferred Stock [Member]                
Number of shares issued for services              
Employee Options [Member]                
Number of options, exercised             48,017  
Number of options, granted           200,000 338,750  
Series C Preferred Stock [Member]                
Number of shares issued for services              
Number of shares issued for services, value              
Number of shares issued       260,000      
Number of options, exercised              
Preferred stock, conversion description           Each share of Series C Preferred stock is convertible into one share of Common stock (subject to adjustment) at any time at the option of the holders, provided that each holder would be prohibited from converting Series C Preferred stock into shares of Common stock if, as a result of such conversion, any such holder, together with its affiliates, would own more than 9.99% of the total number of shares of Common stock then issued and outstanding. This limitation may be waived with respect to a holder upon such holder's provision of not less than 61 days' prior written notice to the Company.    
Preferred stock, liquidation preference, per share       $ 0.001   $ 0.001    
Warrants issued to purchase stock       190,000   190,000    
Preferred stock, par value             $ 0.001  
Warrants, issuance description           lesser of: (a) 80% (i.e., a 20% discount) of the exercise price per share of the warrants to purchase shares of the Company's capital stock issued in the first equity financing of the Company following the date of issuance, or (b) $4.80, with a stipulation that in no event will the exercise price be less than $3.00 per warrant share. The warrants were issued in conjunction with the issuance of convertible debt which has since been repaid and the warrants remain outstanding - See Note 8. The warrants were initially accounted for as a derivative liability until the completion of the June Financing.    
Series E Preferred Stock [Member]                
Number of shares issued for services              
Number of shares issued for services, value              
Number of shares issued       15,000   1,810,000    
Number of options, exercised              
Preferred stock, conversion description           Each share of Series E Preferred Stock is convertible at any time and from time to time at the option of a holder of Series E Preferred Stock into one share of the Company's common stock, provided that each holder would be prohibited from converting Series E Preferred Stock into shares of the Company's common stock if, as a result of such conversion, any such holder, together with its affiliates, would own more than 9.99% of the total number of shares of the Company's common stock then issued and outstanding. This limitation may be waived with respect to a holder upon such holder's provision of not less than 61 days' prior written notice to the Company.    
Preferred stock, voting rights           The Voting Ratio, for each share of Series E Preferred Stock is equal to $2.00 divided by $3.53.    
Preferred stock, par value       $ 0.001   $ 0.001 $ 0.001  
Series D Preferred Stock [Member]                
Number of shares issued for services              
Number of shares issued for services, value              
Number of shares issued              
Number of options, exercised              
Preferred stock, conversion description           Each share of Series D Preferred Stock is convertible into 1,000 shares of common stock (subject to the beneficial ownership limitations and adjustment as provided in the certificate of designation) at any time at the option of the holders, provided that each holder would be prohibited from converting Series D Preferred Stock into shares of common stock if, as a result of such conversion, any such holder, together with its affiliates, would own more than 4.99% of the total number of shares of common stock then issued and outstanding. However, any holder may increase or decrease such percentage to any other percentage not in excess of 9.99%, provided that any increase in such percentage shall not be effective until the 61st day after such notice to the Company.    
Preferred stock, participation rights           In the event of our liquidation, dissolution, or winding up, each holder of Series D Preferred Stock will be entitled to receive the amount of cash, securities or other property to which such holder would be entitled to receive with respect to such shares of Series D Preferred Stock if such shares had been converted to common stock immediately prior to such event (without giving effect for such purposes to the 4.99% or 9.99% beneficial ownership limitation, as applicable) subject to the preferential rights of holders of any class or series of the Company's capital stock specifically ranking by its terms senior to the Preferred D stock as to distributions of assets upon such event, whether voluntarily or involuntarily.    
Preferred stock, par value       0.001   $ 0.001 $ 0.001  
Consultant [Member]                
Number of shares issued for services         275,000      
Shares issued price per share         $ 3.79      
Number of shares issued for services, value         $ 1,042      
Private Investors [Member] | Common Stock [Member]                
Sale of stock, number of shares issued           290,000    
Sale of stock, number of shares issued value           $ 630    
Sale of stock, price per share       2   $ 2    
Sale of stock, description of transaction           The shares also included one warrant for each share of common stock issued.    
Private Investors [Member] | Common Stock [Member] | July and August 2019 [Member]                
Warrants issued to purchase stock               315,000
Board Member [Member] | Common Stock [Member]                
Sale of stock, number of shares issued           25,000    
Sale of stock, number of shares issued value           $ 630    
Sale of stock, price per share       $ 2   $ 2    
Sale of stock, description of transaction           The shares also included one warrant for each share of common stock issued.    
Existing Stockholders [Member] | Series E Preferred Stock [Member] | Private Placement Securities Purchase Agreement [Member]                
Sale of stock, number of shares issued 210,000 1,600,000            
Warrants, term 7 years 7 years            
Warrants issued to purchase stock 210,000 1,600,000            
Warrants, exercise price $ 2.50 $ 2.50            
Warrants, purchase price $ 2.00 $ 2.00            
Gross proceeds from warrants exercised $ 420 $ 3,200