Annual report pursuant to Section 13 and 15(d)

STOCK OPTIONS AND WARRANTS (Tables)

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STOCK OPTIONS AND WARRANTS (Tables)
12 Months Ended
Dec. 31, 2023
Equity [Abstract]  
Schedule of Option Award Activity and Awards Outstanding
The following tables show option award activity for service- and performance-based options for the years ended December 31, 2023 and December 31, 2022:
(in thousands, except for share amounts) Shares Under
Option
Weighted Average
Exercise Price
Weighted Average
Remaining
Contractual Life
(Years)
Aggregate
Intrinsic Value
Outstanding at December 31, 2022 21,551,576 $ 0.63  1.45 $ 17,348 
Granted 2,883,625 0.90
Exercised (235,349) 0.71 49
Forfeited (757,197) 1.61
Expired (11,492,533) 0.20
Outstanding at December 31, 2023 11,950,122 $ 1.05  1.80 $ 4,589 
Vested at December 31, 2023 and expected to vest 10,592,673 $ 0.98  1.46 $ 4,483 
Vested and exercisable at December 31, 2023 9,846,519 $ 0.90  1.25 $ 4,438 
(1) The expected to vest options are the result of applying the pre-vesting forfeiture rate assumptions to total outstanding options.
(in thousands, except for share amounts) Shares Under
Option
Weighted Average
Exercise Price
Weighted Average
Remaining
Contractual Life
(Years)
Aggregate Intrinsic
Value
     
Outstanding at December 31, 2021 19,547,520 $ 0.36  2.11 $ 87,637 
 
Granted 2,491,203 2.88 
Exercised (317,166) 0.42  1,207 
Forfeited (155,553) 2.61 
Expired (14,428) 5.05 
Outstanding at December 31, 2022 21,551,576 $ 0.63  1.45 $ 17,348 
Vested at December 31, 2022 and expected to vest 20,180,698 $ 0.47  1.27 $ 17,334 
Vested and exercisable at December 31, 2022 19,561,631 $ 0.39  1.16 $ 17,323 
1) The expected to vest options are the result of applying the pre-vesting forfeiture rate assumptions to total outstanding options.
The following tables show options award activity for market-based options for the years ended December 31, 2023 and December 31, 2022:
(in thousands, except for share amounts) Shares Under
Option
Weighted Average
Exercise Price
Weighted Average
Remaining Contractual Life
(Years)
Aggregate
Intrinsic Value
 
Outstanding at December 31, 2022 600,000 $ 3.60  4.32 $ — 
 
Granted —  — 
Exercised —  — 
Forfeited —  — 
Expired —  — 
 
Outstanding at December 31, 2023 600,000 $ 3.60  3.32 $ — 
 
Vested at December 31, 2023 and expected to vest 600,000 $ 3.60  3.32 $ — 
Vested and exercisable at December 31, 2023 $ —  —  $ — 
Shares Under
Option
Weighted Average
Exercise Price
Weighted Average
Remaining Contractual Life
(Years)
Aggregate
Intrinsic Value
Outstanding at December 31, 2021 $ —  $ — 
Granted 600,000 3.60  — 
Exercised —  — 
Forfeited —  — 
Expired —  — 
Outstanding at December 31, 2022 600,000 $ 3.60  4.32 $ — 
Vested at December 31, 2022 and expected to vest
600,000 $ 3.60  4.32 $ — 
Vested and exercisable at December 31, 2022 $ —  0.00 $ — 
Schedule of Company's Non-vested Stock Options
The following tables show the status of the Company’s non-vested stock options for the years ended December 31, 2023 and December 31, 2022:
Shares Under Option Weighted Average Grant Date
Fair Value
   
Non-vested at December 31, 2021 803,978 $ 3.00 
Granted 2,491,203 1.72 
Vested (1,155,099) 1.82 
Forfeited (150,137) 1.61 
Non-vested at December 31, 2022 1,989,945 $ 3.00 
Granted 2,883,625 0.49 
Vested (2,013,644) 1.11 
Forfeited (756,323) 1.61 
Non-vested at December 31, 2023 2,103,603 $ 4.36 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The fair value of stock option grants with only continued service conditions for vesting is estimated on the grant date using a Black-Scholes option pricing model. The following table illustrates the assumptions used in estimating the fair value of options granted during the years ended:
  December 31, 2023 December 31, 2022
Expected Term (in Years) 3.2 3.2
Volatility 87.67  % 86.89  %
Risk Free Rate 3.83  % 2.84  %
Dividend Yield % %
Aggregate Grant Date Fair Value $ 0.51  $ 1.72 
The following table illustrates the assumptions used in estimating the fair value of options granted during the year ended December 31, 2022. No market based awards were issued during the year ended December 31, 2023:
Expected Term (in Years) 2.0
Volatility 88.00  %
Risk Free Rate 2.80  %
Dividend Yield %
Aggregate Grant Date Fair Value $ 2.14 
Schedule of Significant Unobservable Inputs Used in the Measurement of Fair Value Warrants
The Company valued this consideration in accordance with ASC 718, Compensation – Stock Compensation, using the Black-Scholes option pricing model, and the following assumptions:
Expected Term (in Years) 6.4
GCEH Warrant Volatility 115  %
SusOils Warrant Volatility 65  %
Risk Free Rate 2.89  %
Dividend Yield %
The following table is a summary of the ranges used in the inputs of the Black-Scholes option pricing model assumptions:

Expected Term (in Years)
5.01 - 5.90
GCEH Warrant Volatility
80% - 125%
Risk Free Rate
3.59% - 4.71%
Dividend Yield —  %