Note 13 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

	June 30, 2022				December 31, 2021
	Carrying Value		Fair Value		Carrying Value		Fair Value
Notes payable, net (1)	$	7,056,644	$	6,420,439	$	7,027,050	$	7,330,723
Mortgages payable, net (2)	$	346,461	$	319,813	$	448,652	$	449,758

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

	Balance at June 30, 2022		Level 1		Level 2		Level 3
Marketable equity securities	$	1,073,706	$	1,073,706	$	-	$	-

	Balance at December 31, 2021		Level 1		Level 2		Level 3
Marketable equity securities	$	1,211,739	$	1,211,739	$	-	$	-

	Balance at June 30, 2022		Level 1		Level 2		Level 3
Real estate	$	110,503	$	-	$	-	$	110,503

	Balance at December 31, 2021		Level 1		Level 2		Level 3
Other investments	$	9,834	$	-	$	-	$	9,834