Stockholders’ Equity | Note 5. Stockholders’ Equity The following are changes in stockholders’ equity for the three months ended March 31, 2022 and 2023: Schedule of Changes in Stockholders' Equity Additional Common Stock paid in Accumulated Shares Amount Capital (Deficit) Total Balance December 31, 2021 12,905,112 $ - $ 60,341,000 $ (52,165,000 ) $ 8,176,000 Shares issued for warrant exercise 986 - 5,000 - 5,000 Equity-based compensation - - 28,000 - 28,000 Issuance of stock and options for services 13,801 - 98,000 - 98,000 Cash settlement of equity-based compensation Net loss - - - (895,000 ) (895,000 ) Balance March 31, 2022 12,919,899 $ - $ 60,472,000 $ (53,060,000 ) $ 7,412,000 Additional Common Stock paid in Accumulated Shares Amount Capital (Deficit) Total Balance December 31, 2022 12,934,741 $ - $ 60,905,000 $ (58,384,000 ) $ 2,521,000 Beginning balance 12,934,741 $ - $ 60,905,000 $ (58,384,000 ) $ 2,521,000 Equity-based compensation 35,659 - 175,000 - 175,000 Cash settlement of equity-based compensation - - (24,000 ) - (24,000 ) Issuance of stock and options for services 32,203 - 83,000 - 83,000 Net loss - - - (910,000 ) $ (910,000 ) Balance March 31, 2023 13,002,603 $ - $ 61,139,000 $ (59,294,000 ) 1,845,000 Ending balance 13,002,603 $ - $ 61,139,000 $ (59,294,000 ) 1,845,000 Warrants During the three months ended March 31, 2023, 684,639 5.85 Equity Incentive Plan Through 2022, the Company issued equity awards under the 2015 Equity Incentive Plan (the “2015 Plan”) and outside the Plan. In March 2023, the Board of Directors adopted the 2023 Equity Incentive Plan (the “2023 Plan”), reserving 650,000 As of March 31, 2023, the Company has $ 227,000 1.8 Stock Options The following is a summary of stock option activity for the three months ended March 31, 2023: Summary of Stock Options Activity Number of Options Weighted average exercise price per share Remaining term in years Outstanding on December 31, 2022 682,939 $ 7.30 3.2 Issued 20,891 $ 1.62 8.0 Cancelled/expired (4,000 ) $ 5.65 Outstanding on March 31, 2023 699,830 $ 7.14 3.1 Exercisable, March 31, 2023 638,110 $ 7.26 2.8 The fair value of the options issued was calculated using the Black-Scholes option pricing model, based on the following: Summary of Fair Value of Options Using Black-Sholes Option Pricing Model 2023 Expected term (in years) 8.0 Expected volatility 84.4 % Risk-free interest rate 3.5 % Expected dividends $ - Weighted average grant date fair value per share $ 1.31 Restricted Stock The following is a summary of restricted stock award and restricted stock unit activity for the three months ended March 31, 2023: Summary of Restricted Stock Award and Restricted Stock Unit Activity Number of shares Weighted average grant date fair value Unvested at January 1, 2023 41,923 $ 4.92 Granted 5,000 $ 1.25 Vested (4,386 ) $ 5.06 Forfeited (4,054 ) $ 5.39 Unvested at March 31, 2023 38,483 $ 4.37 Performance Stock Units During 2022, the Company issued performance share units (“PSUs”) that represented shares potentially issuable based upon Company and individual performance in 2022. The following table summarizes the activity for the Company’s unvested PSUs for the three months ended March 31, 2023: Summary of Performance Stock Unit Activity Number of shares Weighted average grant date fair value Unvested at January 1, 2023 17,678 $ 4.50 Cash settled (17,678 ) $ 4.50 Granted 71,265 $ 1.36 Vested (45,251 ) $ 1.36 Unvested at March 31, 2023 26,014 $ 1.36 In February 2023, the unvested awards issued for individual performance and outstanding at January 1, 2023 were modified to cash-settle the original grant-date fair value of approximately $ 80,000 56,000 24,000 71,000 26,000 64,000 The Company adopted a 2023 PSU program in April 2023, granting approximately 172,000 67,000 |