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Note 10 - Revenue (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three months ended June 30,								Six months ended June 30,
		2018				2017				2018				2017
Network Access Services:
Mobile Services		$	22,411			$	20,379			$	44,283			$	38,341
Other Services			1,895				1,248				3,631				2,535
Total Network Access Services			24,306				21,627				47,914				40,876
Domain Services:
Wholesale
Domain Services			42,540				48,550				100,968				87,644
Value Added Services			4,601				5,415				9,035				9,322
Total Wholesale			47,141				53,965				110,003				96,966
Retail			8,477				7,663				16,913				14,064
Portfolio			1,163				968				2,052				1,885
Total Domain Services			56,781				62,596				128,968				112,915
		$	81,087			$	84,223			$	176,882			$	153,791

Schedule of Cost of Revenues by Revenue Stream [Table Text Block]

		Three months ended June 30,								Six months ended June 30,
		2018				2017				2018				2017
Network Access Services:
Mobile Services		$	11,978			$	10,702			$	23,243			$	20,269
Other Services			1,290				946				2,230				1,771
Total Network Access Services			13,268				11,648				25,473				22,040
Domain Services:
Wholesale
Domain Services			35,844				42,449				87,161				76,913
Value Added Services			748				615				1,605				1,191
Total Wholesale			36,592				43,064				88,766				78,104
Retail			4,446				4,548				8,855				8,165
Portfolio			195				185				379				447
Total Domain Services			41,233				47,797				98,000				86,716
Network Expenses:
Network, other costs			2,701				2,261				5,275				4,604
Network, depreciation and amortization costs			1,727				1,169				3,357				2,141
			4,428				3,430				8,632				6,745
		$	58,929			$	62,875			$	132,105			$	115,501

Contract with Customer, Asset and Liability [Table Text Block]

		Three months ended June 30, 2018				Six months ended June 30, 2018
Balance, beginning of period		$	150,983			$	160,582
Deferral of revenue			56,352				116,722
Recognition of deferred revenue 1			(55,284	)			(125,253	)
Balance, end of period		$	152,051			$	152,051

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

		June 30, 2018
Remainder of 2018		$	85,722
2019			45,546
2020			8,640
2021			4,616
2022			2,987
Thereafter			4,321
Total		$	151,832

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