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Note 10 - Revenue (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three months ended September 30,								Nine months ended September 30,
		2018				2017*				2018				2017*
Network Access Services:
Mobile Services		$	22,546			$	21,749			$	66,829			$	60,090
Other Services			2,033				1,442				5,664				3,978
Total Network Access Services			24,579				23,191				72,493				64,068
Domain Services:
Wholesale
Domain Services			45,070				47,770				146,038				135,413
Value Added Services			4,541				4,203				13,576				13,526
Total Wholesale			49,611				51,973				159,614				148,939
Retail			8,731				8,873				25,644				22,937
Portfolio			598				971				2,650				2,856
Total Domain Services			58,940				61,817				187,908				174,732
		$	83,519			$	85,008			$	260,401			$	238,800

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

		Three months ended September 30,								Nine months ended September 30,
		2018				2017*				2018				2017*
Network Access Services:
Mobile Services		$	11,399			$	12,365			$	34,643			$	32,634
Other Services			872				595				3,103				2,366
Total Network Access Services			12,271				12,960				37,746				35,000
Domain Services:
Wholesale
Domain Services			37,414				42,293				124,572				119,207
Value Added Services			807				687				2,412				1,878
Total Wholesale			38,221				42,980				126,984				121,085
Retail			4,465				4,611				13,320				12,776
Portfolio			148				180				528				627
Total Domain Services			42,834				47,771				140,832				134,488
Network Expenses:
Network, other costs			2,315				2,461				7,590				7,064
Network, depreciation and amortization costs			1,838				1,322				5,195				3,463
			4,153				3,783				12,785				10,527
		$	59,258			$	64,514			$	191,363			$	180,015

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

		Three months ended September 30, 2018				Nine months ended September 30, 2018
Balance, beginning of period		$	152,052			$	160,582
Deferred revenue			54,181				170,904
Recognized revenue 1			(57,741	)			(182,994	)
Balance, end of period		$	148,492			$	148,492

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

		September 30, 2018
Remainder of 2018		$	48,701
2019			76,153
2020			10,331
2021			5,040
2022			3,244
Thereafter			4,760
Total		$	148,229

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