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Stockholders’ Equity
 3 Months Ended
Mar. 31, 2024
Equity [Abstract]  
Stockholders’ Equity

10. Stockholders’ Equity

 

Common Stock

 

As of March 31, 2024, 4,113,621 shares of common stock were issued and outstanding, 255,958 shares of common stock were reserved for issuance upon the exercise of outstanding warrants, 497,330 shares of common stock were reserved for issuance under our 2015 Equity Incentive Plan, as amended (the “2015 Plan”), and 150,000 shares were reserved for issuance under our 2023 Non-Employee Director Compensation Plan.

 

The following table describes the shares and warrants issued as part of our 2022 and 2020 private placements:

 

Issuance of Common Stock  Issue Date  Shares Issued   Price per share   Warrants Issued   Warrant Exercise Price   Warrant Fair Value 
Private Placement 2022  April 1, 2022   1,242,588   $4.62    124,258   $4.62   $3.91 
Private Placement 2020  March 2, 2020   955,000   $4.00    95,500   $4.00   $3.90 

 

Amortization of the debt issuance costs for the Private Placement 2022 offering was recorded at $60,595 and $38,931 for the three months ended March 31, 2024 and 2023, respectively. Amortization of the debt issuance costs for the Private Placement 2020 offering was recorded at $11,065 for the three months ended March 31, 2023.

 

Warrants

 

The following sets forth the warrants to purchase our common stock that were outstanding as of March 31, 2024:

 

Warrants
Outstanding		   Warrant
Exercise Price		   Warranty
Expiry
 124,258   $4.62   March 30, 2027
 95,500   $4.00   March 30, 2027
 16,000   $9.00   March 30, 2027
 17,200   $12.50   March 30, 2027
 3,000   $15.00   March 30, 2027