Quarterly report pursuant to Section 13 or 15(d)

Equity (Details Narrative)

v3.19.1
Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
May 14, 2018
Aug. 31, 2018
Jul. 31, 2018
May 31, 2018
Mar. 31, 2018
Mar. 31, 2019
Dec. 31, 2018
Sep. 07, 2018
Jun. 30, 2018
Warrants to purchase of common stock shares       145,834 832,000        
Gross proceeds of warrants       $ 300          
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 $ 1.45             $ 0.48  
Share price           3.00      
Proceeds from issuance of units $ 6,800                
Preferred stock issuance costs $ 600                
July 12, 2018 [Member]                  
Conversion price per share           0.6543      
Maximum [Member]                  
Warrants exercise price         $ 12        
Minimum [Member]                  
Warrants exercise price         $ 2.125        
Public Offering [Member]                  
Stock issued price per shares $ 1,000                
Debt conversion, description (i) for the first 40 trading days following the closing of this offering, $1.4512 (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 $0.48 (the "Floor Price").                
Conversion price per share $ 1.4512                
Debt instrument trading percentage 87.50%                
Share price $ 0.48                
August 2018 Warrant Exercise [Member] | Secondary Offering [Member]                  
Warrants converted into shares of common stock   242,063              
July 2018 Warrant Exercise [Member] | Public Offering [Member]                  
Warrants converted into shares of common stock     29,927            
Warrant exercise     29,927            
Convertible Preferred Stock and Warrants [Member]                  
Proceeds from public offering $ 15,000                
Warrants [Member]                  
Warrants to purchase of common stock shares 758                
Warrants exercise price $ 1.60                
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         668,335        
Warrants to purchase of common stock shares         832,000        
Warrants exercise price         $ 12.00   $ 2.125    
Gross proceeds of warrants         $ 1,400        
New Warrants [Member]                  
Warrants exercise price         $ 2.00        
Percentage of warrant shares issued for new warrants         100.00%        
Series B Convertible Preferred Stock [Member]                  
Convertible preferred stock shares conversion       4,072         4,072
Preferred stock stated value $ 1,100                
Common stock state value $ 1,100                
Common Stock [Member]                  
Convertible preferred stock shares conversion 11,369,900     3,086,570         3,086,570
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           17,098,973