Annual report pursuant to Section 13 and 15(d)

Equity (Details Narrative)

v3.22.1
Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 2 Months Ended 12 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
Dec. 31, 2021
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]                    
Gross proceeds of warrants exercise                 $ 196 $ 1,111
Proceeds from issuance of units                 3,112
Proceeds from common stock                 $ 19,995
Common stock, par value                 $ 0.01 $ 0.01
Holders of Warrants One [Member]                    
Accumulated Other Comprehensive Income (Loss) [Line Items]                    
[custom:WarrantExercise]                 2,700  
Holders of Warrants Two [Member]                    
Accumulated Other Comprehensive Income (Loss) [Line Items]                    
[custom:WarrantExercise]                 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                   6,503,516
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]                    
Number of share units issued for conversion                 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 LLC [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 of common stock       6,100,000            
Proceeds from common stock       $ 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 of common stock   3,415,000 1,500,000   2,400,000 3,700,000   4,915,000    
Proceeds from common stock   $ 8,200 $ 3,000   $ 4,100 $ 5,500   $ 11,200    
Net issuance fees               $ 800    
Common stock, par value   $ 0.01 $ 0.01   $ 0.01 $ 0.01