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Revenue Recognition
3 Months Ended
Mar. 31, 2023
Revenue from Contract with Customer [Abstract]  
Revenue Recognition Revenue Recognition During the three months ended March 31, 2023 and 2022, the Company recognized revenue of $0 and $9,000, respectively, from its affiliated entity Plumbline Life Sciences, Inc. ("PLS") and $115,000 and $190,000, respectively, from various other contracts as a result of performance obligations being satisfied.