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Note 13 - Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Fair Value, by Balance Sheet Grouping [Table Text Block]
  

June 30, 2023

  

December 31, 2022

 
  

Carrying Value

  

Fair Value

  

Carrying Value

  

Fair Value

 

Notes payable, net (1)

 $6,775,080  $5,879,693  $6,780,969  $5,837,401 

Mortgages payable, net (2)

 $359,609  $298,487  $376,917  $311,659 
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
  

Balance at

June 30, 2023

  

Level 1

  

Level 2

  

Level 3

 

Assets:

                

Marketable equity securities

 $314,826  $314,826  $-  $- 

Liabilities:

                

Embedded derivative liability

 $56,000  $-  $-  $56,000 
  

Balance at

December 31, 2022

  

Level 1

  

Level 2

  

Level 3

 

Assets:

                

Marketable equity securities

 $597,732  $597,732  $-  $- 

Liabilities:

                

Embedded derivative liability

 $56,000  $-  $-  $56,000 
  

Balance at

June 30, 2023

  

Level 1

  

Level 2

  

Level 3

 
                 

Real estate

 $15,479  $-  $-  $15,479