Note 6 - Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

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

	2018		2017
Accounts payable - trade	$	13,555	$	17,739
Accrued payroll, benefits, and related liabilities		12,324		9,286
Deferred capacity and other revenue		5,890		4,817
Other		6,662		4,306
Total accounts payable, accrued and other current liabilities	$	38,431	$	36,148

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

	2018		2017
Advance billings	$	4,279	$	4,181
Customer deposits		32		32
Total advance billings and customer deposits	$	4,311	$	4,213