Note 5 - Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	2017		2016
Accounts payable - trade	$	15,352	$	13,782
Accrued payroll, benefits, and related liabilities		11,929		14,395
Deferred capacity and other revenue		4,896		4,502
Accrued interest on long-term obligations		357		1,026
Other		5,233		4,475
Total accounts payable, accrued and other current liabilities	$	37,767	$	38,180

Schedule of Advance Billing and Customer Deposits [Table Text Block]

	2017		2016
Advance billings	$	4,321	$	4,136
Customer deposits		32		31
Total advance billings and customer deposits	$	4,353	$	4,167