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Accrued Liabilities and Other
 12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Accrued Liabilities and Other ACCRUED LIABILITIES AND OTHER
Accrued liabilities and other consisted of the following as of December 31:
($ in thousands)20212020
Accrued vacation$782 $736 
Accrued paid personal leave356 399 
Accrued bonus2,062 1,658 
Other251 512 
$3,451 $3,305