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Note 13 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($) | Apr. 27, 2021 | Apr. 01, 2021
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Equity Offering, Maximum Gross Proceeds | $ 200,000,000 |
Dubose Model Homes Investors #203, PL [Member] | LGD Investments Ltd [Member] | Unsecured Debt [Member] |  |
Debt Instrument, Face Amount |  | $ 330,000
Debt Instrument, Interest Rate, Stated Percentage |  | 4.00%

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- Definition The maximum amount of gross proceeds allowed under the equity offering. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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