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Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)
Total
Series A Convertible Preferred Stock
Common Stock
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Purchase Agreement
Purchase Agreement
Common Stock
Purchase Agreement
Additional Paid-in Capital [Member]
March Two Thousand Twenty Two Purchase Agreement [Member]
March Two Thousand Twenty Two Purchase Agreement [Member]
Common Stock
March Two Thousand Twenty Two Purchase Agreement [Member]
Additional Paid-in Capital [Member]
December Two Thousand Twenty Two secuirities purchase agreement [Member]
December Two Thousand Twenty Two secuirities purchase agreement [Member]
Common Stock
ATM Offering
ATM Offering
Common Stock
ATM Offering
Additional Paid-in Capital [Member]
Public Offering [Member]
Public Offering [Member]
Common Stock
Public Offering [Member]
Additional Paid-in Capital [Member]
Balance at Dec. 31, 2020 $ 14,484,660 $ 24 $ 433 $ 205,666,766 $ 5,298 $ (191,187,861)                            
Balance, shares at Dec. 31, 2020   23,770 433,333                                  
Stock-based compensation expense 1,317,351     1,317,351                                
Release of restricted stock awards 4   $ 1 3                                
Release of restricted stock awards, shares     377                                  
Net share settlement of restricted stock awards (3,239)     (3,239)                                
Net share settlement of restricted stock awards, shares     (50)                                  
Employee stock purchase plan expense 57,669     57,669                                
Stock issued under stock purchase plans 125,828   $ 3 37,560                                
Stock issued under stock purchase plans, shares     2,830                                  
Conversion of Series A convertible preferred stock for common stock, shares     12,073                                  
Issuance of common stock             $ 899,980 $ 12 $ 899,968           $ 10,665,819 $ 171 $ 10,665,648      
Issuance of common stock, shares               12,864               170,907        
Exercise of pre-funded warrants     $ 12 (12)                                
Exercise of pre-funded warrants, shares     12,073                                  
Exercise of stock options 326     326                                
Exercise of stock options, shares     6                                  
Net loss (17,145,170)         (17,145,170)                            
Foreign currency translation adjustment (3,404)       (3,404)                              
Balance at Dec. 31, 2021 10,399,824 $ 24 $ 632 218,730,305 1,894 (208,333,031)                            
Balance, shares at Dec. 31, 2021   23,770 632,340                                  
Stock-based compensation expense 774,160     774,160                                
Release of restricted stock awards     $ 1 (1)                                
Release of restricted stock awards, shares     1,139                                  
Net share settlement of restricted stock awards (11,190)     (11,190)                                
Net share settlement of restricted stock awards, shares     (355)                                  
Employee stock purchase plan expense 40,347     40,347                                
Stock issued under stock purchase plans 37,567   $ 7 125,825                                
Stock issued under stock purchase plans, shares     6,876                                  
Conversion of Series A convertible preferred stock for common stock   $ (24) $ 13 11                                
Conversion of Series A convertible preferred stock for common stock, shares   (23,770) 13,206                                  
Issuance of common stock             $ 7,034,049 $ 70 $ 7,033,979                 $ 8,707,399 $ 102 $ 8,707,297
Issuance of common stock, shares               69,505                     102,000  
Exercise of pre-funded warrants                   $ 2,411 $ 201 $ 2,210 $ 1,188 $ 1,188            
Exercise of pre-funded warrants, shares     1,188,322               200,911                  
Cash in lieu of fractional shares (367)     (367)                                
Cash in lieu of fractional shares, shares     (47)                                  
Net loss (21,594,476)         (21,594,476)                            
Foreign currency translation adjustment 785       785                              
Balance at Dec. 31, 2022 $ 5,391,697 $ 0 $ 2,214 $ 235,314,311 $ 2,679 $ (229,927,507)                            
Balance, shares at Dec. 31, 2022   0 2,213,897