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Note 8 - Leases (Details Textual) | 1 Months Ended |  |
--- | --- | --- | ---
Nov. 30, 2003 | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Operating Lease, Weighted Average Remaining Lease Term (Year) |  | 3 years 255 days |
Operating Lease, Liability, Total |  | $ 1,726,000 | $ 1,728,000
Operating Lease, Right-of-Use Asset |  | $ 1,726,000 | $ 1,728,000
Operating Lease, Weighted Average Discount Rate, Percent |  | 4.70% |
Lessee, Finance Lease, Term of Contract (Year) | 10 years |  |
Number of Consecutive Renewal Term Options | 4 |  |
Lessee, Finance Lease, Renewal Term (Year) | 10 years |  |
Lessee, Finance Lease, Annual Rent |  | $ 15,000 |
Leasehold Improvements Required to be Made Per Year |  | $ 150,000 |
Lessee, Finance Lease, Remaining Lease Term (Year) |  | 32 years 219 days |
Finance Lease, Weighted Average Remaining Lease Term (Year) |  | 2 years 292 days |
Finance Lease, Weighted Average Discount Rate, Percent |  | 4.70% | 4.50%
Lease for Golf Cart GPS Equipment [Member] |  |  |
Operating Lease, Liability, Total |  | $ 37,000 |
Operating Lease, Right-of-Use Asset |  | $ 37,000 |
Minimum [Member] |  |  |
Lessee, Operating Lease, Remaining Lease Term (Year) |  | 1 year |
Minimum [Member] | Golf and Related Operations [Member] |  |  |
Lessee, Finance Lease, Remaining Lease Term (Year) |  | 1 year |
Maximum [Member] |  |  |
Lessee, Operating Lease, Remaining Lease Term (Year) |  | 5 years |
Maximum [Member] | Golf and Related Operations [Member] |  |  |
Lessee, Finance Lease, Remaining Lease Term (Year) |  | 4 years 109 days |

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- Definition Weighted average discount rate for finance lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(4) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
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