v3.23.1
Summary of Significant Accounting Policies and Liquidity and Uncertainties (Tables)
 3 Months Ended
Mar. 31, 2023
Summary of Significant Accounting Policies [Abstract]  
Schedule of cash and cash equivalents
   March 31, 2023   December 31, 2022 
Cash and cash equivalents  $25,268,225   $43,148,323 
Restricted cash   228,519    226,422 
Total cash, cash equivalents and restricted cash  $25,496,744   $43,374,745 

 
Schedule of marketable securities
   Amortized
Cost		   Gross
Unrealized
Losses		   Gross
Unrealized
Gains		   Fair Value 
March 31, 2023:                
Money Market Funds included in Cash Equivalents  $8,026,616   $
-
   $523   $8,027,139 
U.S. Government Agency Securities   25,742,953    
-
    15,454    25,758,407 
Corporate Securities   2,690,038    (314)   893    2,690,617 
Commercial Paper   1,884,234    (765)   
-
    1,883,469 
Subtotal   30,317,225    (1,079)   16,347    30,332,493 
Total March 31, 2023  $38,343,841   $(1,079)  $16,870   $38,359,632 
December 31, 2022:                    
Money Market Funds included in Cash Equivalents  $7,311,327   $
-
   $572   $7,311,899 
U.S. Government Agency Securities   12,072,127    (3,184)   2,056    12,070,999 
Corporate Securities   2,684,235    (183)   909    2,684,961 
Commercial Paper   888,875    (773)   
-
    888,102 
Subtotal   15,645,237    (4,140)   2,965    15,644,062 
Total December 31, 2022  $22,956,564   $(4,140)  $3,537   $22,955,961 

 
Schedule of carrying and fair value of financial assets
   Carrying Value   Level 1   Level 2   Level 3 
March 31, 2023:                
Money Market Funds and Cash Equivalents   $8,027,139   $8,027,139   $
-
   $
          -
 
U.S. Government Agency Securities   25,758,407    25,758,407    
-
    
 
 
Corporate Securities   2,690,617    
-
    2,690,617    
-
 
Commercial Paper   1,883,469    
-
    1,883,469    
-
 
Subtotal   30,332,493    25,758,407    4,574,086   $
-
 
Total March 31, 2023  $38,359,632   $33,785,546   $4,574,086   $
-
 
December 31, 2022:                    
Money Market Funds and Cash Equivalents   $7,311,899   $7,311,899   $
-
   $
-
 
U.S. Government Agency Securities   12,070,999    12,070,999    
-
    
 
 
Corporate Securities   2,684,961    
-
    2,684,961    
-
 
Commercial Paper   888,102    
-
    888,102    
-
 
Subtotal   15,644,062    12,070,999    3,573,063    
-
 
Total December 31, 2022  $22,955,961   $19,382,898   $3,573,063   $
-
 

 
Schedule of anti-dilutive securities excluded from calculation of diluted net loss per share
   Three Months Ended
March 31,		 
   2023   2022 
   (Number of Shares of Common Stock Issuable) 
Series C non-voting preferred stock   4,000    4,000 
Series E non-voting preferred stock   391,953    391,953 
Series G non-voting preferred stock   5,004,069    5,004,069 
Shares issuable for payment of deferred board compensation   48,909    48,909 
Shares underlying outstanding warrants   
-
    56,455 
Shares underlying outstanding stock options   6,126,080    4,067,305 
Shares underlying restricted stock units   207,469    
-
 
Total potentially dilutive shares   11,782,480    9,572,691