Note Payable - Revolving Credit Line - Additional Information (Details) - BankRI [Member] - Line [Member]	3 Months Ended
	Mar. 31, 2024 USD ($)
Line Of Credit Facility [Line Items]
Revolving credit line, maximum borrowing capacity	$ 2,000,000
Maturity date	Mar. 31, 2027
Interest rate, description	Amounts outstanding under the Agreement bear interest at the Secured Overnight Financing Rate ("SOFR") plus 200 basis points.
Revolving credit line, collateral, description	Borrowings under the Line are secured by a First Mortgage on Parcel 5 in the Capital Center District in Providence, Rhode Island (the “Property”).
Revolving credit line, covenant terms	The Agreement contains other restrictive covenants, including, among others, a $250,000 limitation on the purchase of its outstanding capital stock in any twelve-month period.
Limitation on the purchase of outstanding capital stock	$ 250,000
Advances made under line	$ 0
SOFR [Member]
Line Of Credit Facility [Line Items]
Variable rate basis	Agreement bear interest at the Secured Overnight Financing Rate ("SOFR") plus 200 basis points
Maximum [Member]
Line Of Credit Facility [Line Items]
Debt service coverage ratio	1.20
Minimum [Member]
Line Of Credit Facility [Line Items]
Debt service coverage ratio	1.0
Property [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Debt service coverage ratio	1.25
Property [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Debt service coverage ratio	1.0