Note 10 - Stockholders' Equity - Reconciliation of Activity in Stockholders' Equity Accounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Balance	$ 33,426
Net income/(loss)	(838)	$ (577)
Balance	32,587
Common Stock [Member]
Balance	54	54
Shares repurchased	0
Net income/(loss)	0	0
Stock-based compensation expense		0
Balance	54	54
Additional Paid-in Capital [Member]
Balance	30,491	30,450
Shares repurchased	0
Net income/(loss)	0	0
Stock-based compensation expense		21
Balance	30,491	30,471
Retained Earnings [Member]
Balance	2,777	(942)
Shares repurchased	(1)
Net income/(loss)	(799)	(577)
Stock-based compensation expense		0
Balance	1,977	(1,519)
Noncontrolling Interest [Member]
Balance	104	0
Shares repurchased	0
Net income/(loss)	(39)	0
Stock-based compensation expense		0
Balance	$ 65	$ 0