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Stock Based Compensation (Tables)
3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Options Granted, Exercised, Expired and Forfeited
A summary of stock option activity under our plans, and options outstanding as of, and changes made during the three months ended March 31, 2024 and year ended December 31, 2023 is presented below:

OutstandingExercisable
Number of OptionsWeighted Average Exercise PriceNumber of OptionsWeighted Average Exercise Price
Options outstanding and exercisable, December 31, 202216,668 $143.63 10,000 $206.85 
Vested— 3,336 48.75
Expired(6,668)285.89(6,668)285.89
Options outstanding and exercisable, December 31, 202310,000 48.75 6,668 48.75 
Options outstanding and exercisable, March 31, 202410,000 $48.75 6,668 $48.75 
Schedule of Restricted Stock and Restricted Stock Unit Activity The following table shows a summary of Restricted Stock activity for the year ended December 31, 2023. There was no Restricted Stock activity during the three months ended March 31, 2024.
Restricted Stock AwardsRestricted Stock Units
SharesWeighted Average Grant PriceSharesWeighted Average Grant Price
Unvested shares, December 31, 202242 $235.87 — $— 
Granted— 177,564 2.14 
Vested(42)235.87 (177,564)2.14 
Unvested Shares, December 31, 2023— — — — 
Unvested Shares, March 31, 2024— $— — $—