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Share-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following table summarizes stock option activity for the nine months ended September 30, 2023:
Options
Outstanding		Weighted
Average
Exercise
Price		Weighted
Average
Remaining
Contractual
Life (Years)		Aggregate
Intrinsic
Value
Outstanding at January 1, 2023268,323 $146.35 7.8$— 
Granted2,800 4.75 
Expired(37,896)161.59 
Forfeited(21,463)105.76 
Outstanding at September 30, 2023211,764 145.66 7.1— 
Vested as of September 30, 2023183,442 154.14 6.86— 
Expected to vest as of September 30, 202328,322 90.70 8.68— 
Schedule of Assumptions Used to Estimate the Fair Value
For the options with service conditions, the assumptions used to estimate the fair values of the stock options granted in the nine months ended September 30, 2023 and 2022 as follows:
Nine Months Ended
September 30, 2023September 30, 2022
Expected term (in years)
5.38
5.51-5.53
Expected volatility
128%
123%-124%
Expected dividend yield— %— %
Risk free interest rate
3.91%
1.69%-2.87%
Schedule of Warrants Outstanding and Exercisable
In connection with certain of the Company’s service agreements, the Company issued warrants to service providers to purchase common stock of the Company.
September 30, 2023December 31, 2022
Warrants OutstandingNumber of
Warrants
Outstanding and
Exercisable		Number of
Warrants
Outstanding and
Exercisable		Exercise
Price		Expiration
Date
Acuitas— 40,000 $36.25 
Acuitas— 40,000 $36.25 
Total— 80,000