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Rental Income
6 Months Ended
Jun. 30, 2022
Leases [Abstract]  
Rental Income
7.
Rental Income
Income,
net under the Company’s operating lease agreement, for its owned facility leased to a third party in California, was approximately $198,000 and $396,000 for
both
the three and six months ended June 30, 2022 and 2021, respectively.