v3.25.3

Schedule of Stock Options Roll Forward (Details) - Employee Stock Options - USD ($)
$ / shares in Units, $ in Thousands

9 Months Ended

Sep. 30, 2025

Sep. 30, 2024

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Options Shares Outstanding, Beginning

1,000,900

994,500

Options Weighted Average Exercise Price Outstanding, Beginning

$ 6.18

$ 5.57

Options Aggregate Intrinsic Value Outstanding, Beginning

^[1]

Options Shares, Granted

120,000

150,500

Options Weighted Average Exercise Price, Granted

$ 11.59

$ 9.43

Options Shares, Exercised

(88,700)

(58,700)

Options Weighted Average Exercise Price, Exercised

$ 4.11

$ 5.57

Options Aggregate Intrinsic Value, Exercised

^[1]

$ 586,180

$ 306,574

Options Shares, Forfeited

(17,000)

(46,400)

Options Weighted Average Exercise Price, Forfeited

$ 8.72

$ 5.93

Options Shares Outstanding, Ending

1,015,200

^[2]

1,039,900

^[3]

Options Weighted Average Exercise Price Outstanding, Ending

$ 6.96

^[2]

$ 6.12

^[3]

Options Weighted Average Remaining Contractual Term (years) Outstanding

4 years 8 months 12 days

^[2]

4 years 9 months 18 days

^[3]

Options Aggregate Intrinsic Value Outstanding, Ending

^[1]

$ 3,367,934

^[2]

$ 6,397,354

^[3]

Options Shares, Exercisable

455,200

^[4]

386,000

^[5]

Options Weighted Average Exercise Price, Exercisable

$ 6.50

^[4]

$ 5.31

^[5]

Options Weighted Average Remaining Contractual Term (years) Exercisable

4 years 6 months

^[4]

4 years

^[5]

Options Aggregate Intrinsic Value, Exercisable

^[1]

$ 1,809,173

^[4]

$ 2,684,482

^[5]

[1]	The intrinsic value of a stock option is the amount by which the market value of the underlying stock exceeds the exercise price.
[2]	Options with exercise prices ranging from $3.31 to $12.23.
[3]	Options with exercise prices ranging from $3.15 to $10.20.
[4]	Options with exercise prices ranging from $3.31 to $10.20.
[5]	Options with exercise prices ranging from $3.15 to $9.81.

- Definition

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PERMA FIX ENVIRONMENTAL SERVICES INC 10-Q