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Note 7 - Fair Value of Assets and Liabilities (Details Textual)
1 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2018
USD ($)
Jan. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Mt. Melrose LLC [Member] | Residential Properties [Member]          
Number of Real Estate Properties 69 44      
Business Combination, Consideration Transferred, Total $ 5,174,722 $ 3,956,389      
EDI Real Estate, LLC [Member]          
Number of Real Estate Properties Transferred from Held for Investment to Held for Sale         0
Real Estate, Held For Sale [Member] | Mt. Melrose LLC [Member]          
Impairment of Real Estate       $ 126,827 $ 964,743
Number of Real Estate Properties Transferred from Held for Investment to Held for Sale         62
Number of Real Estate Properties         57
Real Estate, Held For Sale [Member] | EDI Real Estate, LLC [Member]          
Impairment of Real Estate       $ 26,170 $ 64,038
Number of Real Estate Properties       5 3
Home Service [Member]          
Goodwill, Impairment Loss     $ 1,024,591 $ 1,024,591 $ 754,958