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Note 17 - Other Income (Details Textual) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Aug. 01, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Write Down of Intangible Assets and Capitalized Contract Costs		$ 0	$ 3,513	$ 0	$ 3,513
Purchase Agreement With DISH Wireless LLC [Member]
Write Down of Intangible Assets and Capitalized Contract Costs	$ 3,500
Purchase Agreement, Duration of Monthly Fees (Year)	10 years
Purchase Agreement, Income		$ 5,564	$ 4,603	$ 15,767	$ 4,603