Quarterly report pursuant to Section 13 or 15(d)

Equity (Details Narrative)

v3.21.1
Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended
Feb. 25, 2021
Aug. 04, 2020
Jul. 16, 2020
Jun. 30, 2020
Jun. 26, 2020
Jun. 23, 2020
Feb. 29, 2020
Aug. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Gross proceeds of warrants exercise                 $ 196  
Common stock, par value                 $ 0.01   $ 0.01
Holders of Warrants One [Member]                      
Warrant exercised during period                 2,700    
Holders of Warrants Two [Member]                      
Warrant exercised during period                 130,275    
Holders of Warrants [Member]                      
Gross proceeds of warrants exercise                 $ 200    
Series C Preferred Stock Purchase Warrant [Member]                      
Warrants to purchase of common stock shares             675        
Purchase price per units             $ 1,000        
Conversion price, description             Company's option at any time on or after the first anniversary of the expiration of the rights offering or at the option of the holder at any time, into a number of shares of our common stock equal to the quotient of the stated value of the Preferred Stock ($1,000) divided by the Conversion Price ($1.4814 per share).        
Conversion price per share             $ 1.4814        
Warrants description             Each Warrant is exercisable for one share of our common stock at an exercise price of $1.50 per share from the date of issuance through its expiration five years from the date of issuance. The Warrants also contain a cashless exercise provision that allows the holder to receive 70% of the common stock otherwise available under the warrant to the holder electing the cashless exercise provision.        
Warrants exercise price             $ 1.50        
Number of share units issued for conversion             9,440        
Gross proceeds of warrants exercise             $ 9,400        
Issuance cost, total             $ 1,200        
Warrants Exercisable [Member]                      
Number of share units issued for conversion             6,372,000        
Proceeds from issuance of units             $ 5,100        
Warrants issuance cost             $ 1,200        
Preferred Shares [Member]                      
Number of share units issued for conversion             6,372,350        
Proceeds from issuance of units             $ 3,100        
Common Stock [Member]                      
Number of share units issued for conversion                   6,215,742  
Common Stock [Member] | Holders of Warrants One [Member]                      
Number of share units issued for conversion                 1,890    
Common Stock [Member] | Holders of Warrants Two [Member]                      
Number of share units issued for conversion                 130,275    
Common Stock [Member] | Series B Convertible Preferred Stock [Member]                      
Conversion of convertible shares                    
Common Stock [Member] | Series C Convertible Preferred Stock [Member]                      
Conversion of convertible shares                    
2021 Equity Distribution Agreement [Member] | Maxim Group LLC [Member]                      
Aggregate offering price $ 15,000                    
Sale of stock, description Under the terms of the 2021 Distribution Agreement, Maxim will be entitled to a transaction fee at a fixed rate of 2.0% of the gross sales price of Shares sold under the 2021 Distribution Agreement                    
Two Registered Direct Offerings [Member]                      
Number of shares issuance cost       6,100,000              
Proceeds from issuance cost       $ 9,600              
Net issuance fees       $ 800              
Share Purchase Agreement [Member]                      
Purchase price per units   $ 2.40 $ 2.00   $ 1.72 $ 1.50          
Number of shares issuance cost               4,915,000      
Proceeds from issuance cost               $ 11,200      
Net issuance fees               $ 800      
Number of shares of common stock   3,415,000 1,500,000   2,400,000 3,700,000          
Common stock, par value   $ 0.01 $ 0.01   $ 0.01 $ 0.01          
Proceeds from common stock   $ 8,200 $ 3,000   $ 4,100 $ 5,500