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Accrued Liabilities (Tables)
 6 Months Ended
Jun. 30, 2023
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities
Accrued liabilities as of June 30, 2023 and December 31, 2022 consisted of the following (table in thousands):
June 30,
2023		December 31,
2022
Accrued Research & Development Expense$— $43 
Accrued Compensation and Benefits1,574 2,568 
Accrued Unvouchered Receipts552 585 
Accrued Workers Compensation173 306 
Other Accrued Liabilities1,464 4,200 
Total Accrued Liabilities$3,763 $7,702