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Capital Stock, Stock Plans, Warrants and Stock Based Compensation | 3 Months Ended
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Mar. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Capital Stock, Stock Plans, Warrants and Stock Based Compensation | 6. Capital Stock, Stock Plans, Warrants and Stock Based Compensation The Company has certain stock option plans under which it may award incentive stock options (“ISOs”) and/or non-qualified stock options (“NQSOs”) to employees, officers, outside directors, and outside consultants. On January 19, 2023, the Company granted ISOs to certain employees for the purchase, under the Company’s 2017 Stock Option Plan (the “2017 Plan”), of up to an aggregate 295,000 shares of the Company’s Common Stock. The total ISOs granted included an ISO for each of the Company’s executive officers for the purchase set forth in his respective ISO Agreement, as follows: 70,000 shares for the Chief Executive Officer (“CEO”); 40,000 shares for the Chief Financial Officer (“CFO”); 30,000 shares for the Executive Vice President (“EVP”) of Strategic Initiatives; 30,000 shares for the EVP of Waste Treatment Operations; and 30,000 shares for the EVP of Nuclear and Technical Services. Each of the ISOs granted has a contractual term of six years with one-fifth yearly vesting over a five-year period. The exercise price of the ISO is $3.95 per share, which was equal to the fair market value of the Company’s Common Stock on the date of grant. The Company granted a NQSO to Robert Ferguson on July 27, 2017 from the Company’s 2017 Plan for the purchase of up to 100,000 shares of the Company’s Common Stock (“Ferguson Stock Option”) in connection with his work as a consultant to the Company’s Test Bed Initiative (“TBI”) at our Perma-Fix of Northwest Richland, Inc. facility at an exercise price of $3.65 per share, which was the fair market value of the Company’s Common Stock on the date of grant. The term of the Ferguson Stock Option is seven years from the grant date. The vesting of the Ferguson Stock Option is subject to the achievement of three separate milestones by certain dates. The first milestone was met and the 10,000 shares under the first milestone were issued to Robert Ferguson in May 2018. The Company had previously entered into amendments whereby the vesting dates for the second and third milestones for the purchase of up to 30,000 and 60,000 shares of the Company’s Common Stock were extended to December 31, 2022 and December 31, 2023, respectively. The 30,000 shares under the second milestone failed to vest by December 31, 2022 and therefore were forfeited. The Company has not recognized compensation costs (fair value of approximately $502,000 at March 31, 2023) for the remaining 60,000 Ferguson Stock Option under the remaining final milestone since achievement of the performance obligation under the remaining final milestone is uncertain at December 31, 2023. Upon Mr. Ferguson’s death, the remaining Ferguson Stock Option is now held by Mr. Ferguson’s personal representative and/or beneficiary. The following table summarizes stock-based compensation recognized for the three months ended March 31, 2023 and 2022 for our employee and director stock options. Schedule of Share-based Compensation, Allocation of Recognized Period Costs
|  | 2023 |  |  | 2022 |
Stock Options |  | Three Months Ended March 31, |
|  | 2023 |  |  | 2022 |
Employee Stock Options |  | $ | 86,000 |  |  | $ | 86,000 |
Director Stock Options |  |  | 32,000 |  |  |  | 16,000 |
Total |  | $ | 118,000 |  |  | $ | 102,000 |
At March 31, 2023, the Company has approximately $1,769,000 of total unrecognized compensation costs related to unvested options for employee and directors. The weighted average period over which the unrecognized compensation costs are expected to be recognized is approximately 3.8 years. The summary of the Company’s total Stock Option Plans as of March 31, 2023 and March 31, 2022, and changes during the periods then ended, are presented below. The Company’s Plans consist of the 2017 Plan and the 2003 Outside Directors Stock Plan (the “2003 Plan”): Schedule of Stock Options Roll Forward
|  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Aggregate Intrinsic Value (2) |
Options outstanding January 1, 2023 |  |  | 1,018,400 |  |  | $ | 5.02 |  |  |  |  |  |  |  | - |
Granted |  |  | 295,000 |  |  | $ | 3.95 |  |  |  |  |  |  |  |  |
Exercised |  |  | (44,400 | ) |  | $ | 3.56 |  |  |  |  |  |  | $ | 370,196 |
Forfeited/expired |  |  | (4,500 | ) |  | $ | 3.90 |  |  |  |  |  |  |  |  |
Options outstanding end of period (1) |  |  | 1,264,500 |  |  | $ | 4.83 |  |  |  | 4.2 |  |  | $ | 8,791,279 |
Options exercisable at March 31, 2023(1) |  |  | 499,500 |  |  | $ | 4.30 |  |  |  | 2.3 |  |  | $ | 6,047,029 |
|  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Aggregate Intrinsic Value (2) |
Options outstanding January 1, 2022 |  |  | 1,019,400 |  |  | $ | 4.91 |  |  |  |  |  |  |  | - |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  | $ | — |
Forfeited/expired |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Options outstanding end of period (1) |  |  | 1,019,400 |  |  | $ | 4.91 |  |  |  | 3.8 |  |  | $ | 1,150,167 |
Options exercisable at March 31, 2022(1) |  |  | 455,900 |  |  | $ | 3.92 |  |  |  | 2.5 |  |  | $ | 779,362 |
(1) |  | Options with exercise prices ranging from $2.79 to $7.50
(2) |  | The intrinsic value of a stock option is the amount by which the market value of the underlying stock exceeds the exercise price of the option.
During the three months ended March 31, 2023, the Company issued a total of 33,319 shares of its Common Stock under the 2003 Plan to its outside directors as compensation for serving on our Board of Directors (the “Board”). The Company recorded approximately $120,000 in compensation expenses (included in selling, general and administration (“SG&A”) expenses) in connection with the issuance of shares of its Common Stock to outside directors. During the three months ended March 31, 2023, the Company issued an aggregate 29,319 shares of its Common Stock from cashless exercises of options for the purchase of 42,000 shares of the Company’s Common Stock at $3.60 per share. Additionally, the Company issued 2,400 shares of its Common Stock from the exercise of an option for the purchase of 2,400 shares of the Company’s Common Stock at $2.785 per share resulting in proceeds of approximately $6,700. In connection with a $2,500,000 loan that the Company entered into with Mr. Robert Ferguson (the “Ferguson Loan”) on April 1, 2019, the Company issued a warrant to Mr. Ferguson for the purchase of up to 60,000 shares of our Common Stock at an exercise price of $3.51 per share. The warrant expires on April 1, 2024 and remains outstanding at March 31, 2023. Upon Mr. Ferguson’s death, the warrant is now held by Mr. Ferguson’s personal representative and/or beneficiary. The Ferguson Loan was paid-in-full in December 2020.

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