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Stockholders' Equity | 12 Months Ended
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Dec. 31, 2024
Stockholders' Equity Note [Abstract] |
Stockholders' Equity | Note 12 Stockholders’ Equity In June 2015, our stockholders approved the 2015 Equity Incentive Plan (the “2015 Plan”) and reserved 1,000,000 shares of our common stock for issuance. At December 31, 2024, no shares remained available to grant under the Plan and all granted shares are fully vested. Stock-based compensation expense reflects the fair value of stock-based awards measured at the grant date and recognized over the relevant vesting period. The Company generally estimates the fair value of each stock-based award on the measurement date using the Black-Scholes option valuation model which incorporates assumptions as to stock price volatility, the expected life of the options, risk-free interest rate and dividend yield. No options were granted in 2024 or 2023. Stock Compensation There were no stock compensation costs, option grants or stock options exercised in 2024 or 2023. At December 31, 2024, there were no remaining unamortized non-cash stock compensation costs. As of December 31, 2024 and December 31, 2023, there were approximately 500 and 976 options exercisable and vested at a weighted average exercise price of $163.00 and $21.00, respectively. In addition, Capstone issued a Warrant to Brookstone to purchase up to 6,322 shares of the Capstone’s Common Stock with an exercise price between $10.00 and $30.00 per share, as determined by an independent valuation, through April 1, 2024, and after that date, the lesser of (i) $75.00 per warrant share and (ii) the 10-day average closing price of the Company’s common stock. Preferred Stock We have 5,000 shares of authorized preferred stock, the terms of which may be fixed by our Board of Directors. As of December 31, 2024, we have no outstanding shares of preferred stock. Our Board of Directors has the authority, without stockholder approval, to create and issue one or more series of such preferred stock and to determine the voting, dividend and other rights of holders of such preferred stock. If we raise additional funds to continue operations, we may issue preferred stock. The issuance of any of such series of preferred stock may have an adverse effect on the holders of common stock. The Board of Directors of the Company approved a Tax Benefit Preservation Plan (“Benefit Plan”) dated April 18, 2017, between the Company and Computershare. The Benefit Plan and the exercise of rights to purchase Series A Preferred Stock, pursuant to the terms thereof, may delay, defer or prevent a change in control without the approval of the Board. In addition to the anti-takeover effects of the rights granted under the Benefit Plan, the issuance of preferred stock, generally, could have a dilutive effect on our stockholders. Under the Benefit Plan, each outstanding share of our common stock has attached one preferred stock purchase right. Each share of our common stock subsequently issued prior to the expiration of the Benefit Plan will likewise have attached one right. Under specified circumstances involving an “ownership change,” as defined in Section 382 of the Internal Revenue Code (“the Code”), the right under the Benefit Plan that attaches to each share of our common stock will entitle the holder thereof to purchase 1/100 of a share of our Series A Preferred Stock for a purchase price of $5.00 (subject to adjustment), and to receive, upon exercise, shares of our common stock having a value equal to two times the exercise price of the right. In May of 2024, The Company and Computershare extended the Benefit Plan through December 31, 2027. The Benefit Plan was cancelled per the Master Exchange and Other Transaction Agreement executed on March 3, 2025.

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