Note 22 - Commitments - Funds Lent to Small Business Borrowers (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Mc Larty Capital Partners SBIC L.P [Member]
Total Capital Commitment	$ 2,000
Capital Called	1,802
Remaining Unfunded Capital Commitment	198
McLarty Capital Partners SBIC II, L.P. [Member]
Total Capital Commitment	2,500
Capital Called	2,004
Remaining Unfunded Capital Commitment	496
Bluehenge Capital Secured Debt SBIC L.P [Member]
Total Capital Commitment	1,500
Capital Called	1,387
Remaining Unfunded Capital Commitment	113
New Louisiana Angel Fund 2, LLC [Member]
Total Capital Commitment	50
Capital Called	13
Remaining Unfunded Capital Commitment	$ 37