Note 6 - Current Liabilities - Summary of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts payable - trade	$ 14,918	$ 14,627
Accrued payroll, benefits, and related liabilities	12,193	13,473
Deferred capacity and other revenue	7,311	6,095
Other	4,686	6,762
Total accounts payable, accrued and other current liabilities	$ 39,108	$ 40,957