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Note 7 - Mortgage Notes Payable - Scheduled Principal Payments of Mortgage Notes Payable 1 (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
2020	$ 29,091,117	$ 29,166,847
2021	18,303,975	16,892,476
2022	5,419,196	18,472,632
2023	1,645,496	1,783,291
2024		24,813,868
Thereafter		52,329,934
Total	126,442,100	143,459,048
Office/Industrial and Retail Notes Payable [Member]
2020	16,382,167	16,871,952
2021	9,798,450	4,960,217
2022	1,514,611	10,055,657
2023	1,645,496	1,783,291
2024		24,813,868
Thereafter		52,329,934
Total	95,172,071	110,814,919
Model Home Properies Notes Payable [Member]
2020	12,708,950	12,294,895
2021	8,505,525	11,932,259
2022	3,904,585	8,416,975
2023
2024
Thereafter
Total	$ 31,270,029	$ 32,644,129

X

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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