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LEASE INTANGIBLES (Details Narrative) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Sep. 30, 2021 | Dec. 31, 2019
Finite-lived intangible assets, gross | $ 5,200,728 | $ 4,110,139 | $ 7,631,488
Finite-lived intangible assets accumulated amortization | (4,559,510) | (3,800,102) | (5,526,477)
Finite-lived intangible assets accumulated amortization | $ 139,045 | 86,852 | 309,932
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 1 year 7 months 6 days |  |
Real Estate Assets Held for Sale [Member] |  |  |
Finite-lived intangible assets, gross | $ 1,100,000 | 0.0 | 3,400,000
Finite-lived intangible assets accumulated amortization | $ 1,100,000 | $ 0.0 | $ 2,400,000

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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