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Note 17 - Subsequent Events (Details Textual) - USD ($)	Jan. 17, 2020	Nov. 04, 2019	Dec. 31, 2019	Dec. 31, 2018
Long-term Debt, Total			$ 21,261,997	$ 14,565,295
B & R [Member]
Business Combination, Consideration Transferred, Total		$ 576,699,494
Subsequent Event [Member] \| B & R [Member]
Business Combination, Consideration Transferred, Total	$ 101,000,000
Subsequent Event [Member] \| Mortgage-Secured Term Loans [Member] \| B & R [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	75,600,000
Subsequent Event [Member] \| Unsecured Subordinated Promissory Note [Member] \| B & R [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	7,000,000
JP Morgan [Member] \| Second Amended Credit Agreement [Member] \| Subsequent Event [Member] \| Mortgage-Secured Term Loans [Member]
Long-term Debt, Total	75,600,000
JP Morgan [Member] \| Revolving Credit Facility [Member] \| Second Amended Credit Agreement [Member] \| Subsequent Event [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 100,000,000