Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Going Concern Uncertainty (Details Narrative)

v3.23.3
Basis of Presentation and Going Concern Uncertainty (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Sep. 12, 2023
May 17, 2023
Mar. 31, 2021
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Net loss       $ 2,679 $ 2,997 $ 4,386 $ 4,964 $ 5,140 $ 4,811 $ 10,062 $ 14,915  
Net cash used in operating activities                   9,300    
Cash and cash equivalents       5,724           5,724   $ 14,042
Accumulated deficit       151,413           151,413   $ 141,351
Proceeds from issuance of common stock                   $ 121 $ 4,544  
Shares of common stock issued   35,000                    
Prefunded Warrant [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Warrants to purchase shares   241,134                    
Share price   $ 12.6735                    
Net proceeds   $ 3,000                    
Proceeds from inclusive of issuance costs   500                    
Proceeds from exclusive of warrant issuance costs   $ 200                    
Common Warrants [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Warrants to purchase shares   276,134                    
Common Stock [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Net loss            
Shares of common stock issued 97,042         7,942 17,208 541 19,917      
Share price   $ 12.675                    
Equity Distribution Agreement [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Number of common stock sold, shares                   7,942    
Proceeds from issuance of common stock                   $ 102    
Proceeds from net of issuance costs                   $ 19    
Equity Distribution Agreement [Member] | Maximum [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Aggregate of offering cost     $ 25,000