Note 16 - Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal
State	2	3
Foreign	488	106
Total Current	490	109
Deferred:
Federal
State
Foreign
Total Deferred
Provision for income taxes	$ 490	$ 109