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Note 6 - Other Assets (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Other Assets [Table Text Block]
  

September 30,

  

December 31,

 
  

2021

  

2020

 

Deferred rent receivable

 $1,644,276  $1,912,048 

Prepaid expenses, deposits and other

  273,585   215,946 

Investment in marketable securities

  1,670,693   83,241 

Accounts receivable, net

  363,104   541,885 

Right-of-use assets, net

  81,637   102,144 

Other intangibles, net

  97,483   142,483 

Notes receivable

  316,374   316,374 

Deferred offering costs

  2,386   108,660 

Total other assets

 $4,449,538  $3,422,781