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Note 1 - Business and Organization (Details Textual) $ in Millions | Jun. 30, 2020 USD ($)
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Accounts Receivable, Allowance for Credit Loss, Ending Balance | $ 50.5
COVID 19 [Member] | Straight-Line Rent Receivables [Member] |
Accounts Receivable, Allowance for Credit Loss, Ending Balance | $ 11.5

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