Note 5 - Equity Investments (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Equity Securities without Readily Determinable Fair Value [Table Text Block]

	Ownership Percentage	March 31, 2021		December 31, 2020
Cost Method Investments
Hargray(1)	~15%	$	113,165	$	113,165
Nextlink	<10%		27,245		27,245
Others	<10%		9,947		10,066
Total cost method investments		$	150,357	$	150,476
Equity Method Investments
MBI(2)	45.0%	$	629,464	$	630,679
Wisper	40.4%		27,272		26,626
Total equity method investments		$	656,736	$	657,305
Total equity investments		$	807,093	$	807,781

Equity Method Investments [Table Text Block]

	Three Months Ended March 31,
	2021			2020
Equity Method Investment Income (Loss)
MBI(1)	$	(1,214	)	$	-
Wisper		646			-
Total	$	(568	)	$	-
Other Income (Expense), Net
MBI Net Option change in fair value	$	5,560		$	-