Note 17 - Other Income - Other Income (Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Gain on sale of Ting Customer Assets	$ 5,564	$ 1,090	$ 15,767	$ 1,090
Purchase Agreement With DISH Wireless LLC [Member]
Write-down of Ting Mobile intangible assets		(2,581)		(2,581)
Write-down of Ting Mobile contract costs		(932)		(932)
Income earned on sale of Transferred Assets	5,564	4,603	15,767	4,603
Gain on sale of Ting Customer Assets	$ 5,564	$ 1,090	$ 15,767	$ 1,090