Note 2 - Subordinated Notes Receivable - Reconciliation of the Activity (Details) - Second A&R Note [Member] - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Principal	$ 3,101	$ 3,164	$ 3,271
Discount, balance	(1,388)	(1,388)	(1,388)
Balance	1,713	1,776	1,883
Accretion of discount, discount	0	0	0
Accretion of discount	0	0	0
Principal payments, principal	0	(63)	(107)
Principal payments	0	63	(107)
Principal payments	0	(63)	107
Impairment loss	(609)
Principal	3,101	3,101	3,164
Discount, balance	(1,997)	(1,388)	(1,388)
Balance	$ 1,104	$ 1,713	$ 1,776