Minimum credit Bid.

No definition available.

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Namespace Prefix:	SQFT_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of publicly traded REITSs in which common shares are owned.

+ References

No definition available.

+ Details

Name:	SQFT_NumberOfPubliclyTradedREITSsInWhichCommonSharesAreOwned
Namespace Prefix:	SQFT_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of publicly traded REITs in which options are owned.

+ References

No definition available.

+ Details

Name:	SQFT_NumberOfPubliclyTradedREITsInWhichOptionsAreOwned
Namespace Prefix:	SQFT_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Preferred stock yearly cash savings from dividends suspension.

+ References

No definition available.

+ Details

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Namespace Prefix:	SQFT_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Real estate property consideration transferred total.

+ References

No definition available.

+ Details

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Namespace Prefix:	SQFT_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction.

+ References

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Balance Type:	debit
Period Type:	duration

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

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-Name Accounting Standards Codification
-Section 50
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+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The amount per share used to calculated dividend payments on preferred stock.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

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Period Type:	duration

- Definition

Cash received for the sale of real estate that is not part of an investing activity during the current period.

+ References

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-SubTopic 10
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+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=SQFT_BancorpBankMember
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- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesDPreferredStockMember
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- Details

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- Details

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Namespace Prefix:
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- Details

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- Details

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SUBSEQUENT EVENTS (Details Narrative)					2 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
SUBSEQUENT EVENTS (Details Narrative)	Jul. 01, 2026 USD ($)	Jan. 28, 2026 USD ($) $ / shares	Jan. 14, 2026 USD ($)	Dec. 31, 2024 USD ($) Integer	Mar. 26, 2026 USD ($) Integer	Jun. 30, 2026 USD ($) Integer	Jun. 30, 2025 USD ($) Integer	Jun. 30, 2026 USD ($) Integer $ / shares	Jun. 30, 2025 USD ($) Integer	Dec. 31, 2025 USD ($) Integer $ / shares	Dec. 31, 2024 USD ($) Integer	Dec. 24, 2015 USD ($)
Subsequent Event [Line Items]
Gain (Loss) on sale of properties						$ (21,997)	$ 323,359	$ 150,099	$ 564,258	$ 950,434	$ 3,426,572
Number of publicly traded \| Integer				0						0	0
Number of publicly traded call options \| Integer				0						0	0
Discontinued Operations, Disposed of by Sale [Member]
Subsequent Event [Line Items]
Number of real estate properties \| Integer				51		9	13	9	13	20	51
Real estate property, consideration transferred, total								$ 4,000,000.0	$ 5,900,000	$ 9,800,000	$ 24,800,000
Gain (Loss) on sale of properties				$ 3,400,000				$ 200,000	$ 600,000	$ 1,000,000.0
Promissory Note [Member] \| Bancorp Bank [Member]
Subsequent Event [Line Items]
Debt instrument, face amount												$ 17,727,500
Series D Preferred Stock [Member]
Subsequent Event [Line Items]
Preferred stock, dividend rate, percentage								9.375%		9.375%
Preferred stock, dividend rate, \| $ / shares		$ 0.19531						$ 2.34375		$ 2.34375
Subsequent Event [Member] \| Discontinued Operations, Disposed of by Sale [Member]
Subsequent Event [Line Items]
Number of real estate properties \| Integer					5
Gain (Loss) on sale of properties					$ 100,000
Subsequent Event [Member] \| Dakota Center [Member]
Subsequent Event [Line Items]
Sale of real estate			$ 5,125,000
Real estate property, consideration transferred, total			$ 2,500,000
Subsequent Event [Member] \| Series D Preferred Stock [Member]
Subsequent Event [Line Items]
Preferred stock, dividend rate, percentage		9.375%
Preferred stock, dividend rate, \| $ / shares		$ 0.19531
Preferred stock dividend suspension		$ 2,300,000
Argentic Services Company LP [Member] \| Forclosure of Shea Center II [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Minimum credit bid	$ 12,000,000.0
Noncash or part noncash divestiture, amount of consideration received	$ 0