Note 7 - Current Liabilities (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

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

	2019		2018
Accounts payable - trade	$	11,935	$	14,627
Accrued payroll, benefits, and related liabilities		12,320		13,473
Deferred capacity and other revenue		7,170		6,095
Other		6,762		6,762
Total accounts payable, accrued and other current liabilities	$	38,187	$	40,957

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

	2019		2018
Advance billings	$	3,774	$	3,992
Customer deposits		32		32
Total advance billings and customer deposits	$	3,806	$	4,024