Note 16 - Other Income (Expenses) - Other Income (Expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Write-down of Ting Mobile intangible assets	$ (2,581)
Gain on sale of Ting customer assets	7,612	$ 0	$ 0	[1]
Purchase Agreement With DISH Wireless LLC [Member]
Write-down of Ting Mobile intangible assets	(2,581)	0	0
Write-down of Ting Mobile contract costs	(932)	0	0
Income earned on sale of Transferred Assets	11,125	0	0
Gain on sale of Ting customer assets	$ 7,612	$ 0	$ 0

[1] The Company has initially applied ASC 2016-02 (Topic 842) on January 1, 2019 (note 2 (u)). The accounting standard was adopted using the modified retrospective method, under this method the comparative period was not restated.