Note 12 - Income Taxes - Significant Components of the Provision for Income Taxes from Continuing Operations (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Current :
Federal	$ (93)	$ 0
State	(13)	31
Foreign	3,669	5,861
Total Current (benefit) expense	3,563	5,892	$ 4,812
Deferred :
Federal	0	0
State	0	0
Foreign	7	(1,101)
Total Deferred (benefit) expense	7	(1,101)	(912)
Total Income Tax Expense	$ 3,570	$ 4,791	$ 3,900