Note 6 - Equity Method Investments (Tables)

12 Months Ended

Dec. 31, 2017

Alaska Wireless Network, LLC [Member]

Notes Tables

Condensed Financial Statements [Table Text Block]

	Twelve Months Ended December 31,		Twelve Months Ended December 31,		January 1 through February 2,
	2017		2016		2015
Operating revenues	$	-	$	-	$	21,457
Gross profit	$	-	$	-	$	15,745
Operating income	$	-	$	-	$	9,757
Net income	$	-	$	-	$	9,722
Adjusted free cash flow (1)	$	-	$	-	$	10,805