Note 7 - Mortgage and Other Indebtedness - Schedule of Debt Balance (Details) - USD ($) $ in Thousands			12 Months Ended
		Dec. 27, 2019	Dec. 31, 2019		Dec. 31, 2018
Debt Instrument [Line Items]
Interest Rate					5.25%
Balance outstanding			$ 113,780		$ 4,668
Unamortized deferred financing costs			(1,307)
Total Mortgage and Other Indebtedness			$ 112,473		4,638
Unamortized deferred financing costs					$ (30)
Basis Term Loan [Member]
Debt Instrument [Line Items]
Maturity Date		Jan. 01, 2023	Jan. 01, 2023
Rate Type	[1]		Floating
Interest Rate		6.125%	6.125%	[2]
Balance outstanding			$ 62,996
Basis Preferred Interest [Member]
Debt Instrument [Line Items]
Maturity Date	[3],[4]		Jan. 01, 2023
Rate Type	[4]		Fixed
Interest Rate	[2],[4]		14.00%
Balance outstanding	[4]		$ 9,471
MVB Term Loan [Member]
Debt Instrument [Line Items]
Maturity Date			Dec. 27, 2022
Rate Type			Fixed
Interest Rate	[2]		6.75%
Balance outstanding			$ 4,500
Hollinswood Loan [Member]
Debt Instrument [Line Items]
Maturity Date			Dec. 01, 2024
Rate Type	[5]		LIBOR + 2.25%
Interest Rate	[2]		4.06%
Balance outstanding			$ 10,200
Avondale Shops Loan [Member]
Debt Instrument [Line Items]
Maturity Date			Jun. 01, 2025
Rate Type			Fixed
Interest Rate	[2]		4.00%
Balance outstanding			$ 3,275
Vista Shops at Golden Mile Loan [Member]
Debt Instrument [Line Items]
Maturity Date			Jan. 25, 2021
Rate Type			LIBOR + 2.50%
Interest Rate	[2]		4.26%
Balance outstanding			$ 8,950
Brookhill Azalea Shopping Center Loan [Member]
Debt Instrument [Line Items]
Maturity Date			Jan. 31, 2025
Rate Type			LIBOR + 2.75%
Interest Rate	[2]		4.51%
Balance outstanding			$ 9,650
Mezzanine Loan [Member]
Debt Instrument [Line Items]
Balance outstanding	[6]		$ 2,738
Acquisition Line of Credit [Member]
Debt Instrument [Line Items]
Maturity Date					Apr. 01, 2019
Rate Type	[7]		Floating
Interest Rate					6.50%
Balance outstanding					$ 1,000
Accounts Receivable Based Line of Credit [Member]
Debt Instrument [Line Items]
Maturity Date					Apr. 01, 2019
Rate Type	[7]		Floating
Interest Rate					6.50%
Balance outstanding					$ 1,250
Working Capital Line of Credit [Member]
Debt Instrument [Line Items]
Maturity Date					Apr. 01, 2019
Rate Type	[7]		Floating
Interest Rate					6.50%
Balance outstanding					$ 750
Guidance Line of Credit [Member]
Debt Instrument [Line Items]
Maturity Date					Apr. 30, 2019
Rate Type			Fixed
Interest Rate					7.00%
Balance outstanding					$ 658
Business Term Loan [Member]
Debt Instrument [Line Items]
Maturity Date					Dec. 07, 2022
Rate Type			Fixed
Interest Rate					5.25%
Balance outstanding					$ 1,010
MVB Revolver [Member]
Debt Instrument [Line Items]
Maturity Date	[8]		Dec. 27, 2020
Rate Type	[9]		Floating
Interest Rate	[2]		6.75%
Balance outstanding			$ 2,000

[1] The interest rate for the Basis Term Loan is the greater of (i) LIBOR plus 3.850% per annum and (ii) 6.125% per annum. The Company has entered into an interest rate cap that caps the LIBOR rate on this loan at 3.5%.

[2] For floating rate loans tied to LIBOR, based on the one-month LIBOR rate of 1.76%, as of December 31, 2019.

[3] If the Basis Term Loan is paid in full earlier than its maturity date, the Basis Preferred Interest in the Sub-OP (as defined below) will mature at that time.

[4] The outstanding balance includes approximately $2.8 million of indebtedness related to the Multiple Minimum Amount owed to the Preferred Investor as described below under the heading “—Basis Preferred Interest”.

[5] The Company has entered into an interest rate swap which fixes the interest rate of the loan at 4.06%.

[6] The Mezzanine loans represent loans on two of the properties included in the Initial Mergers (as described in Note 1 under the heading “—Merger with MedAmerica Properties, Inc.”). These loans were to be paid off in connection with the Mergers; however, due to the timing of the closing of the Mergers in late December 2019, the loans were not paid off by the Company until the first quarter of 2020.

[7] The interest rate was the greater of (i) 5.25% and (ii) LIBOR plus 4.0%

[8] In December 2020, the Company entered into a one-year extension on the MVB Revolver as described below under the heading “—2020 Forbearance Agreements and Debt Amendments”.

[9] The interest rate on the MVB Revolver is the greater of (i) prime rate plus 1.5% and (ii) 6.75%.