XML 58 R42.htm IDEA: XBRL DOCUMENT v3.21.1

Note 7 - Mortgage Notes Payable - Mortgage Notes Payable (Details) - USD ($)

12 Months Ended

Dec. 31, 2020

Dec. 31, 2019

Mortgage Notes Payable, net

$ 120,029,696

$ 142,392,992

Mortgage Notes [Member]

Mortgage Notes Payable

120,788,005

143,459,049

Unamortized loan costs

(758,309)

(1,066,057)

Waterman Plaza [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

^[1],[2]

$ 3,207,952

3,274,097

Interest rate, variable

^[1],[2],[3]

4.25%

Maturity date

^[1],[2]

Apr. 29, 2021

World Plaza [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

^[2],[4]

$ 5,802,568

4,979,384

Interest rate, variable

^[2],[3],[4]

2.91%

Maturity date

^[2],[4]

Jul. 05, 2021

Garden Gateway Plaza [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

^[2]

$ 5,861,523

6,071,315

Maturity date

^[2]

Aug. 05, 2021

Interest rate

^[2],[3]

5.00%

The 300 N.P [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 2,273,478

2,311,739

Maturity date

Jun. 11, 2022

Interest rate

^[3]

4.95%

Highland Court [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 6,274,815

6,424,366

Maturity date

Sep. 01, 2022

Interest rate

^[3]

3.82%

Dakota Center [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 9,900,279

10,111,693

Maturity date

Jul. 06, 2024

Interest rate

^[3]

4.74%

Union Terrace [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

^[5]

$ 0

6,240,396

Maturity date

^[5]

Aug. 05, 2024

Interest rate

^[3],[5]

4.50%

Centennial Tech Center [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

^[5]

$ 0

9,561,652

Maturity date

^[5]

Dec. 05, 2024

Interest rate

^[3],[5]

4.43%

Research Parkway [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 1,760,432

1,813,305

Maturity date

Jan. 05, 2025

Interest rate

^[3]

3.94%

Arapahoe Center [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 7,932,255

8,085,727

Maturity date

Jan. 05, 2025

Interest rate

^[3]

4.34%

Union Town Center [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 8,315,550

8,440,000

Maturity date

Jan. 05, 2025

Interest rate

^[3]

4.28%

One Park Centre [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 6,385,166

6,487,532

Maturity date

Sep. 05, 2025

Interest rate

^[3]

4.77%

Genesis Plaza [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 6,276,273

6,378,110

Maturity date

Sep. 06, 2025

Interest rate

^[3]

4.71%

Shea Center II [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 17,727,500

17,727,500

Maturity date

Jan. 05, 2026

Interest rate

^[3]

4.92%

Executive Office Park [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

^[2]

$ 2,985,998

4,839,577

Maturity date

^[2]

Jun. 01, 2027

Interest rate

^[2],[3]

4.83%

West Fargo Industrial [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 4,262,718

4,216,565

Maturity date

Aug. 05, 2029

Interest rate

^[3]

3.27%

Grand Pacific Center [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

^[6]

$ 3,738,142

3,851,962

Maturity date

^[6]

Aug. 01, 2037

Interest rate

^[3],[6]

4.02%

Subtotal, Presidio Property Trust, Inc. Properties [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

$ 92,704,649

110,814,920

Model Home [Member] | Mortgage Notes [Member]

Mortgage Notes Payable

^[2],[7]

$ 28,083,356

$ 32,644,129

Model Home [Member] | Mortgage Notes [Member] | Minimum [Member]

Maturity date

^[2],[7]

Dec. 31, 2023

Interest rate

2.50%

Model Home [Member] | Mortgage Notes [Member] | Maximum [Member]

Maturity date

^[2],[7]

Dec. 31, 2021

Interest rate

5.60%

[1]	Interest on this loan resets annually at LIBOR plus 3.00%, with a floor of 4.25%.
[2]	Properties held for sale as of December 31, 2020. Seven model homes were included as held for sale.
[3]	Interest rates as of December 31, 2020.
[4]	Interest on this loan is ABR + 0.75% and LIBOR plus 2.75%. For the year-ended December 31, 2020, the weighted average interest rate was 3.37%.
[5]	Property sold during the year ended December 31, 2020, see Footnote 3 above for further detail. One of four buildings at Executive Office Park were sold.
[6]	Interest rate is subject to reset on September 1, 2023.
[7]	Each Model Home has a stand-alone mortgage note at interest rates ranging from 2.5% to 5.6% at December 31, 2020.

X

- Definition

The variable percentage of interest rate on debt instrument.

+ References

No definition available.

+ Details

Name:	sqft_DebtInstrumentInterestRateVariablePercentage
Namespace Prefix:	sqft_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of net mortgage notes payable.

+ References

No definition available.

+ Details

Name:	sqft_MortgageNotesPayableNet
Namespace Prefix:	sqft_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of notes payable including unamortized cost.

+ References

No definition available.

+ Details

Name:	sqft_NotesPayableIncludingUnamortizedCost
Namespace Prefix:	sqft_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=sqft_MortgageNotesMember
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_WorldPlazaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=sqft_GardenGatewayPlazaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=sqft_The300NpMember
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_DakotaCenterMember
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_CentennialTechCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=sqft_ResearchParkwayMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=sqft_ArapahoeCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=sqft_UnionTownCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=sqft_OneParkCentreMember
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_SheaCenterIIMember
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_WestFargoIndustrialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=sqft_GrandPacificCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=sqft_SubtotalPresidioPropertyTrustIncPropertiesMember
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:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: