Quarterly report pursuant to Section 13 or 15(d)

Equity (Details Narrative)

v3.21.2
Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 2 Months Ended 3 Months Ended 6 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
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Gross proceeds of warrants exercise                     $ 196 $ 917  
Issuance cost, total                 $ 9,648        
Common stock, par value                     $ 0.01   $ 0.01
Proceeds from common stock                     $ 9,648  
Holders of Warrants One [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Warrant exercised during period                     2,700    
Holders of Warrants Two [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Warrant exercised during period                     130,275    
Holders of Warrants [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Gross proceeds of warrants exercise                     $ 200    
Series C Preferred Stock Purchase Warrant [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
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]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
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]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Number of share units issued for conversion             6,372,350            
Proceeds from issuance of units             $ 3,100            
Common Stock [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Number of share units issued for conversion                 212,168 6,215,742      
Issuance cost, total                 $ 65        
Number of shares of common stock                 6,454,381        
Common Stock [Member] | Holders of Warrants One [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Number of share units issued for conversion                     1,890    
Common Stock [Member] | Holders of Warrants Two [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Warrant exercised during period                     130,275    
Common Stock [Member] | Series B Convertible Preferred Stock [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Conversion of convertible shares                     0    
Common Stock [Member] | Series C Convertible Preferred Stock [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Conversion of convertible shares                     0    
2021 Equity Distribution Agreement [Member] | Maxim Group L L C [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Aggregate offering price $ 15,000                        
Sale of Stock, Description of Transaction 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]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
Number of shares issuance cost       6,100,000                  
Proceeds from issuance cost       $ 9,600                  
Net issuance fees       $ 800                  
Share Purchase Agreement [Member]                          
Accumulated Other Comprehensive Income (Loss) [Line Items]                          
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