Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Accounting Policies (Details Narrative)

v3.23.2
Basis of Presentation and Significant Accounting Policies (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2022
Jun. 30, 2023
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Cash $ 37,144,000 $ 32,419,000
Restricted cash 75,000 75,000
Tax credits reduction of research and development expense 805,000  
Research and development expense recorded as tax credits receivable $ 716,000  
Tax credits receivable, accrued   491,000
Tax credit receivable   1,207,000
United States Financial Institutions Two [Member]    
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]    
Cash FDIC insured amount   $ 250,000