Stockholders’ Equity | Note 8. Stockholders’ Equity In 2022, the Company issued 23,643 5.00 5.16 5,000 4.50 In 2022, the Company issued 986 5.07 In 2023, the Company issued 1,315,491 In 2023, the Company issued 165,779 4,094 1.45 4.00 Warrants The following is a summary of changes in warrants outstanding for the years ended December 31, 2023 and 2022: Summary of Changes in Warrants Outstanding Number of Outstanding at December 31,2021 1,287,404 Exercised (986 ) Expired (106,228 ) Outstanding at December 31, 2022 1,180,190 Expired (936,375 ) Outstanding at December 31, 2023 243,815 The following is a summary of all outstanding warrants as of December 31, 2023: Summary of Outstanding Warrants Warrant issuance event Number of warrants Weighted Exercise price per share Remaining Intrinsic Settlement of deferred compensation 243,815 $ 6.32 $ 3.51 9.10 0.74 $ - Equity Incentive Plan Through 2022, the Company issued equity incentive awards under the 2015 Equity Incentive Plan (the “2015 Plan”) and outside the Plan. In June 2023, the Company’s stockholders adopted the 2023 Equity Incentive Plan (the “2023 Plan”), reserving 650,000 Awards may be granted to employees, members of the Board of Directors and consultants, and may take the form of options, restricted stock, restricted stock units, performance shares and stock appreciation rights. The Company has issued options with no intrinsic value, stock awards and stock units through December 31, 2023, and issues new shares upon exercise of options or vesting of stock awards and stock units. The Company has reserved approximately 493,000 43,000 162,000 607,000 1,305,000 Stock-Based Compensation The total amount of equity-based compensation included in general and administrative expense in the accompanying consolidated statements of operations was $ 290,000 386,000 As of December 31, 2023, the Company has $ 93,000 1.3 Stock Options The following is a summary of stock option activity: Summary of Stock Options Activity Number of Weighted Remaining Outstanding on December 31, 2021 635,889 $ 7.41 3.8 Issued 64,672 $ 5.72 8.0 Cancelled/expired (17,622 ) $ 5.08 Outstanding on December 31, 2022 682,939 $ 7.30 3.2 Issued 65,468 $ 1.50 8.0 Cancelled/expired (161,316 ) $ 7.92 Outstanding on December 31, 2023 587,091 $ 6.50 3.6 Exercisable, December 31, 2023 526,389 $ 6.73 3.2 The fair value of the options issued was calculated using the Black-Sholes option pricing model, based on the criteria shown below: Summary of Fair Value of Options Using Black-Sholes Option Pricing Model 2023 2022 Expected term (in years) 8 5.5 8 Weighted average expected volatility 84.4 % 82.8 85.7 % Weighted average risk-free interest rate 3.7 % 1.5 3.9 % Expected dividends $ - $ - Weighted average grant date fair value per share $ 1.21 $ 4.53 Restricted Stock The following is a summary of restricted stock award and restricted stock unit activity: Summary of Restricted Stock Award and Restricted Stock Unit Activity Number of Weighted Unvested at January 1, 2022 - $ - Granted 46,554 $ 4.96 Forfeited (4,631 ) $ 5.38 Unvested at December 31, 2022 41,923 $ 4.92 Granted 5,000 $ 1.25 Vested (4,386 ) $ 5.06 Forfeited (9,931 ) $ 3.33 Unvested at December 31, 2023 32,606 $ 4.82 Performance Stock Units During 2023 and 2022, the Company issued performance share units (“PSUs”) that represent shares potentially issuable based upon achievement of Company and individual performance targets. The grantees have the ability to earn 0 200 The following is a summary of PSU activity: Summary of Performance Stock Unit Activity Number of Weighted Unvested at January 1, 2022 - $ - Granted 123,512 $ 4.50 Forfeited (105,834 ) $ 4.50 Unvested at December 31, 2022 17,678 $ 4.50 Cash settled (17,678 ) $ 4.50 Granted 288,469 $ 1.70 Forfeited (179,330 ) $ 1.67 Unvested and expected to vest at December 31, 2023 63,888 $ 1.84 In February 2023, the awards granted for 2022 were modified to pay the original grant-date fair value of the shares expected to vest in cash. Additionally, the Company performance targets were modified to allow approximately 77,000 218,000 |