XML 48 R33.htm IDEA: XBRL DOCUMENT
v3.21.4

RECENT REAL ESTATE TRANSACTIONS (Details Narrative) |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 17, 2021 USD ($) ft² | May 21, 2021 USD ($) | May 20, 2021 USD ($) | Feb. 19, 2021 USD ($) | Jan. 28, 2021 USD ($) | Dec. 02, 2020 USD ($) | Mar. 13, 2020 USD ($) | Mar. 13, 2020 USD ($) | Feb. 05, 2020 USD ($) | Feb. 05, 2020 USD ($) | Jul. 02, 2019 USD ($) | May 08, 2019 USD ($) | Jan. 15, 2019 USD ($) | Jul. 31, 2019 USD ($) | Sep. 30, 2021 USD ($) Integer | Sep. 30, 2020 USD ($) Integer | Dec. 31, 2020 USD ($) Integer | Dec. 31, 2019 USD ($) Integer
Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,500,086 | $ 12,238,692
NetREIT Palm Self-Storage LP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest, ownership percentage by parent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 61.30% |  |  |
Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 19,000,000.0 | $ 12,600,000 | 18,100,000 | 14,600,000
Gain (Loss) on Sale of Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,900,000 | $ 900,000 | $ 1,600,000 | $ 1,200,000
Number of Real Estate Properties | Integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39 | 33 | 46 | 41
Waterman Plaza [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  |  | $ 3,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  | $ 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Garden Gateway [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  | $ 11,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  | $ 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Highland Court [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  | $ 10,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  | $ 1,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Executive Office Park [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  | $ 8,100,000 |  |  |  | $ 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  | $ 2,500,000 |  |  |  | $ 78,000 |  |  |  |  |  |  |  |  |  |  |  |
Mandolin [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate property (square foot) | ft² | 10,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire buildings | $ 4,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property under triple net lease, percent occupied | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property under triple net lease, term (Year) | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Model Home [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Property, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,900,000 | $ 9,000,000.0 | $ 10,200,000 | $ 13,000,000.0
Payments to Acquire Residential Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 900,000 | $ 2,700,000 | $ 3,100,000 | $ 3,900,000
Number of Real Estate Properties | Integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 | 28 | 33
Model Home [Member] | Mortgage Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000.0 | $ 6,300,000 | $ 7,100,000 | $ 9,100,000
Centennial Tech Center [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  |  |  |  |  |  | $ 15,000,000.0 |  |  |  |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  |  |  |  | $ 900,000 | $ 900,000 |  |  |  |  |  |  |  |
Union Terrace [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  |  |  |  | $ 11,300,000 | $ 11,300,000 |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  |  | $ 690,000 | $ 700,000 |  |  |  |  |  |  |  |  |  |
Morena Office Center [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,600,000 |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 |  |  |  |  |
Nightingale Land [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  |  |  |  |  |  |  |  |  | $ 900,000 |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  |  |  |  |  |  |  | $ 93,000 |  |  |  |  |  |
Genesis Plaza [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  |  |  |  |  |  |  |  | $ 2,900,000 |  |  |  |  |  |  |
Sale of Percentage Interest in Real Estate Property |  |  |  |  |  |  |  |  |  |  | 43.00% |  |  |  |  |  |  |
Sale of Real Estate Property |  |  |  |  |  |  |  |  |  |  | $ 5,600,000 |  |  |  |  |  |  |
The Presidio [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Sale of Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,300,000 |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,500,000 |  |  |  |

X
- Definition Represents the occupancy percentage for a property under triple net lease. + References No definition available. + Details
Name: | SQFT_PropertyUnderTripleNetLeasePercentOccupied
Namespace Prefix: | SQFT_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the term of a triple net lease for a property. + References No definition available. + Details
Name: | SQFT_PropertyUnderTripleNetLeaseTerm
Namespace Prefix: | SQFT_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of consideration transferred for the purchase of real estate. + References No definition available. + Details
Name: | SQFT_RealEstatePropertyConsiderationTransferredTotal
Namespace Prefix: | SQFT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of real estate property sold. + References No definition available. + Details
Name: | SQFT_SaleOfRealEstateProperty
Namespace Prefix: | SQFT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sales of percentage interest in real estate property. + References No definition available. + Details
Name: | SQFT_SalesOfPercentageInterestInRealEstateProperty
Namespace Prefix: | SQFT_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228 + Details
Name: | us-gaap_GainLossOnSaleOfProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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

X
- Definition Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_NotesPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow for acquisition of buildings (properties) whether for investment or use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBuildings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow from the acquisition of residential property intended to generate income for the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireResidentialRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash received for the sale of real estate that is not part of an investing activity during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=SQFT_MortgageNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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