Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Going Concern Uncertainty (Details Narrative)

v3.23.2
Basis of Presentation and Going Concern Uncertainty (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Mar. 31, 2021
Jun. 30, 2023
Jun. 30, 2022
May 17, 2023
Dec. 31, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Net loss $ 2,997 $ 4,386 $ 5,140 $ 4,811   $ 7,383 $ 9,951    
Net cash used in operating activities           7,300      
Cash and cash equivalents 8,521         8,521     $ 14,042
Accumulated deficit $ 148,734         148,734     $ 141,351
Proceeds from issuance of common stock           $ 121 $ 3,165    
Common stock, shares issued 5,305,441         5,305,441   525,000 4,659,769
Warrant [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Common stock, shares issued               3,617,012  
Equity Distribution Agreement [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Number of common stock sold, shares           119,000      
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