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Rental Income	6 Months Ended
	Jun. 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 $396,000 for the three and six months ended June 30, 2021 and 2020, respectively.

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- References

No definition available.

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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

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