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Note 15 - Leases (Details Textual) | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Dec. 31, 2019 | May 26, 2017 ft²
Lessee, Operating Lease, First Renewal Term (Year) |  |  |  |  | 2 years |
Lessee, Operating Lease, Second Renewal Term (Year) |  |  |  |  | 3 years |
Operating Lease, Cost | $ 100,000 | $ 100,000 | $ 300,000 | $ 300,000 |  |
Operating Lease, Payments | $ 100,000 | $ 100,000 | $ 300,000 | $ 300,000 |  |
Operating Lease, Weighted Average Remaining Lease Term (Year) | 5 years 11 months 12 days |  | 5 years 11 months 12 days |  |  |
Operating Lease, Weighted Average Discount Rate, Percent | 4.53% |  | 4.53% |  |  |
Operating Lease, Liability, Total | $ 2,587,180 |  | $ 2,587,180 |  |  |
Other Liabilities [Member] |  |  |  |  |  |
Operating Lease, Liability, Total | $ 2,200,000 |  | $ 2,200,000 |  |  |
MacAndrews and Forbes Incorporated [Member] | The New HQ Lease [Member] |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Year) |  |  |  |  |  | 10 years
Area of Real Estate Property (Square Foot) | ft² |  |  |  |  |  | 3,200

X
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