Quarterly report pursuant to Section 13 or 15(d) 06-30-2019

Equity (Details Narrative)

v3.19.2
Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 6 Months Ended
May 14, 2018
Aug. 31, 2018
Jul. 31, 2018
May 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Sep. 07, 2018
Mar. 31, 2018
Gross proceeds of warrants         $ 7,577      
Proceeds from public offering $ 15,000                
Preferred stock stated value         $ 0.01   $ 0.01    
Common stock state value         0.01   0.01    
Conversion price per share $ 43.50       2.94     $ 14.40  
Share price         $ 3.00        
Proceeds from issuance of units $ 6,800       $ 6,754      
Preferred stock issuance costs $ 600                
ATM Equity Distribution Agreement [Member]                  
Sale of stock, shares         144,415        
Sale of stock value         $ 400        
Payments of stock issuance costs         100        
Additional offering value         $ 1,100        
July 12, 2018 [Member]                  
Conversion price per share         $ 19.63        
Maximum [Member] | ATM Equity Distribution Agreement [Member]                  
Common stock offering price         $ 1,600        
Public Offering [Member]                  
Stock issued price per shares $ 1,000                
Debt conversion, description The Series B Preferred Stock is convertible into shares of common stock by dividing the stated value of $1,100 by: (i) for the first 40 trading days following the closing of this offering, $43.54 (the "Conversion Price"), (ii) after 40 trading days but prior to the 81st trading day, the lesser of (a) the Conversion Price and (b) 87.5% of the lowest volume weighted average price for our Common Stock as reported at the close of trading on the market reporting trade prices for the Common Stock during the five trading days prior to the 41st trading day, and (iii) after 80 trading days, the lesser of (a) the Conversion Price and (b) 87.5% of the lowest volume weighted average price for our Common Stock as reported at the close of trading on the market reporting trade prices for the Common Stock during the five trading days prior to the date of the notice of conversion. In the case of (ii)(b) and (iii)(b) above, the share price shall not be less than $2.94 (the "Floor Price"). Each of the Conversion Price and Floor Price is subject to adjustment in certain circumstances.                
Conversion price per share $ 43.54                
Debt instrument trading percentage 87.50%                
Share price $ 2.94                
August 2018 Warrant Exercise [Member] | Secondary Offering [Member]                  
Warrants converted into shares of common stock   8,069              
July 2018 Warrant Exercise [Member] | Public Offering [Member]                  
Warrants converted into shares of common stock     998            
Warrant exercise     998            
May 2018 Warrant Exercise (July 2016 Warrants) [Member]                  
Warrants to purchase of common stock shares       4,861         27,733
Gross proceeds of warrants       $ 300          
May 2018 Warrant Exercise (July 2016 Warrants) [Member] | Minimum [Member]                  
Warrants exercise price                 $ 360
May 2018 Warrant Exercise (July 2016 Warrants) [Member] | Maximum [Member]                  
Warrants exercise price                 $ 63.75
Convertible Preferred Stock and Warrants [Member]                  
Proceeds from public offering $ 15,000                
Warrants [Member]                  
Warrants to purchase of common stock shares 25                
Warrants exercise price $ 48                
Warrant term 5 years                
Share price         $ 0.01        
Number of warrants issued 6,900                
Warrants issuance cost $ 700                
Series E Common Stock Purchase Warrant [Member]                  
Warrant exercise           22,279      
Warrants to purchase of common stock shares           27,733      
Warrants exercise price           $ 360.00 $ 63.75    
Gross proceeds of warrants           $ 1,400      
New Warrants [Member]                  
Warrants exercise price           $ 60.00      
Percentage of warrant shares issued for new warrants           100.00%      
Series B Convertible Preferred Stock [Member]                  
Convertible preferred stock shares conversion       4,072 3,337 4,072      
Preferred stock stated value $ 1,100                
Common stock state value $ 1,100                
Common Stock [Member]                  
Convertible preferred stock shares conversion 378,997     102,886 983,528 102,886      
Preferred Stock [Member]                  
Convertible preferred stock shares conversion 15,000                
July Through December of 2018 [Member] | Series B Convertible Preferred Stock [Member]                  
Convertible preferred stock shares conversion         10,926        
July Through December of 2018 [Member] | Common Stock [Member]                  
Convertible preferred stock shares conversion         569,966