XML 46 R37.htm IDEA: XBRL DOCUMENT v3.20.2
Stockholders' Equity (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Jul. 11, 2020
Jun. 11, 2020
shares
Jun. 10, 2020
shares
Apr. 01, 2020
shares
Jun. 04, 2019
shares
May 31, 2018
USD ($)
$ / shares
shares
Mar. 31, 2020
$ / shares
shares
Mar. 19, 2020
$ / shares
Mar. 06, 2020
$ / shares
Mar. 05, 2020
$ / shares
Class of Stock [Line Items]                    
Number of shares issued       201,666     6,511,280      
Conversion price | $ / shares               $ 0.525 $ 1.68  
Number of shares converted         2,062,125   510,460      
Reverse stock split, conversion ratio 0.33 0.33 0.33              
Common Stock [Member]                    
Class of Stock [Line Items]                    
Number of shares pre-reverse stock split     146,577,707              
Number of shares post-reverse stock split   48,859,213                
Series E Convertible Preferred Stock [Member]                    
Class of Stock [Line Items]                    
Shares outstanding             987,988      
Series F Convertible Preferred Stock [Member]                    
Class of Stock [Line Items]                    
Number of shares issued           8,996        
Preferred stock, par value | $ / shares           $ 0.01        
Preferred stock, stated value | $ / shares           $ 100        
Appraised at a fair value, preferred stock | $           $ 1,131        
Conversion price | $ / shares           $ 6.00       $ 6.00
Shares outstanding             1,531      
Number of shares converted             291,619      
Warrants                    
Class of Stock [Line Items]                    
Number of shares issued             1,900,625      
Exercised             1,698,959      
Class A Warrants                    
Class of Stock [Line Items]                    
Exercise price per warrant | $ / shares             $ 0.525      
Warrants outstanding       1,590,524     4,573,688      
Exercised       2,983,164            
Number of shares converted       2,382,836            
December 2016 Warrants [Member]                    
Class of Stock [Line Items]                    
Exercise price per warrant | $ / shares             $ 0.525      
Warrants outstanding       124,423     476,202      
Calm Warrants                    
Class of Stock [Line Items]                    
Exercise price per warrant | $ / shares             $ 0.525      
Warrants outstanding             3,571,428      
Exercised       2,196,681            
Number of shares converted       1,622,149            
March Exchange Agreement [Member]                    
Class of Stock [Line Items]                    
Exercise price per warrant | $ / shares             $ 0.03      
March Exchange Agreement [Member] | Warrants                    
Class of Stock [Line Items]                    
Warrants outstanding             201,666      
Exercised       201,666            
March Exchange Agreement [Member] | Class A Warrants                    
Class of Stock [Line Items]                    
Number of shares converted       2,385,527            
March Exchange Agreement [Member] | December 2016 Warrants [Member]                    
Class of Stock [Line Items]                    
Warrants outstanding       351,779            
Number of shares converted       527,669            
June Exchange Agreement [Member]                    
Class of Stock [Line Items]                    
Warrants outstanding       1,374,747            
June Exchange Agreement [Member] | Calm Warrants                    
Class of Stock [Line Items]                    
Number of shares converted       2,062,126