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SCHEDULE OF REAL ESTATE PROPERTIES (Details) (Parenthetical) | Sep. 30, 2021
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NetREIT Palm Self-Storage LP [Member] |
Noncontrolling interest, ownership percentage by parent | 61.30%
Genesis Plaza [Member] |
Percentage beneficial ownership in property | 76.40%
Genesis Plaza [Member] | Tenant-in-common One [Member] |
Percentage ownership in property | 57.00%
Genesis Plaza [Member] | Tenant-in-common Two [Member] |
Percentage ownership in property | 43.00%

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- Definition Represents the aggregate percentage ownership by the reporting entity in the specified property. + References No definition available. + Details
Name: | SQFT_PercentageBeneficialOwnershipInProperty
Namespace Prefix: | SQFT_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Represents the percentage of the property owned. + References No definition available. + Details
Name: | SQFT_PercentageOwnershipInProperty
Namespace Prefix: | SQFT_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | srt_OwnershipAxis=SQFT_NetREITPalmSelfStorageLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=SQFT_GenesisPlazaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=SQFT_TenantInCommonOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=SQFT_TenantInCommonTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |