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Rental Income | 9 Months Ended
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Sep. 30, 2021
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 $ 594,000 for the three and nine months ended September 30, 2021 and 2020, respectively.

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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