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Stock Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Compensation Expense
A summary of stock compensation expense by category, for the three and six months ended June 30, 2023 and 2022, is as follows:

Three Months Ended June 30,Six Months Ended June 30,
Stock Based Compensation2023202220232022
Options$31 $31 $62 $(1)
RSU$380 $— $380 $— 
Total$411 $31 $442 $(1)

A summary of stock compensation by department, for the three and six months ended June 30, 2023 and 2022 is as follows:

Three Months Ended June 30,Six Months Ended June 30,
Stock Based Compensation2023202220232022
Research and Development$— $— $— $(63)
General & Administrative$411 $31 $442 $62 
Total$411 $31 $442 $(1)
Schedule of Options Granted, Exercised, Expired and Forfeited
A summary of stock options granted, expired, and forfeited under our plans, and options outstanding as of, and changes made during the six months ended June 30, 2023 and year ended December 31, 2022 is presented below:
OutstandingExercisable
Number of OptionsWeighted Average Exercise PriceNumber of OptionsWeighted Average Exercise Price
Options outstanding and exercisable, December 31, 202127,169 $113.63 7,169 $— 
Vested— —3,332 48.75
Expired(501)410.18(501)410.18
Forfeited(10,000)48.75— — 
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, June 30, 202310,000 $48.75 6,668 $48.75 
Schedule of Shares Outstanding and Exercisable, By Exercise Price Range
Additional information as of June 30, 2023 is as follows:

 OutstandingExercisable
Range of priceNumber
of Options		Weighted
Average
Remaining
Contractual
Life (In Years)		Weighted
Average
Exercise
Price		Number
of Options		Weighted
Average
Exercise
Price
$0.00 – $100.00
10,000 8.00$48.75 6,668 $48.75