Note 11 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Contingently Liability Related to Loans Sold	$ 5,370	$ 3,647
Contingently Liability Recourse Provisions Expiry Period	120 days	120 days