Note 2 - Subordinated Notes Receivable - Reconciliation of the Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest paid-in-kind	$ (25)
Second A&R Note [Member]
Principal	2,564
Discount, balance	(1,855)
Balance	709
Interest paid-in-kind, principal	25
Interest paid-in-kind	25
Gain on settlement of debt, principal	(529)
Gain on settlement of debt, discount	1,855
Gain on settlement of debt	1,326
Principal payments, principal	(2,060)
Principal payments	(2,060)
Principal
Discount, balance
Balance
S&L Subordinated Notes Receivable [Member]
Principal	3,329
Discount, balance	(659)
Balance	2,670
Interest paid-in-kind, principal
Interest paid-in-kind
Principal payments, principal	(2)
Principal payments	(2)
Accretion of discount, discount	37
Accretion of discount	37
Principal	3,327
Discount, balance	(622)
Balance	$ 2,705