Quarterly report pursuant to Section 13 or 15(d)

The following table summarizes the activities for our unvested performance-vesting stock option awards for the six months ended June 30, 2024, and 2023. (Details)

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The following table summarizes the activities for our unvested performance-vesting stock option awards for the six months ended June 30, 2024, and 2023. (Details) - Performance Vesting Stock Options [Member] - $ / shares
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Outstanding at beginning, shares 200,000
Unvested at beginning, price $ 1.48
Granted, shares 0 0
Granted, price $ 0 $ 0
Forfeited, shares 0 0
Vested, price $ 0 $ 0
Forfeited, shares 0 0
Forfeited/canceled, price $ 0 $ 0
Unvested at ending, shares 200,000
Unvested at ending, price $ 1.48