Note 1 - Nature of Operations, Basis of Presentation and Consolidation - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income available to common stockholders	$ 229	$ 34	$ 382	$ (539)
Basic (in shares)	10,968	10,580	10,921	10,532
Basic (in dollars per share)	$ 0.02	$ 0.00	$ 0.03	$ (0.05)
Non-vested restricted stock	$ 0	$ 0	$ 0	$ 0
Non-vested restricted stock (in shares)	456	844	503	0
Net income available to common stockholders plus assumed conversions	$ 229	$ 34	$ 382	$ (539)
Diluted (in shares)	11,424	11,424	11,424	10,532
Diluted (in dollars per share)	$ 0.02	$ 0.00	$ 0.03	$ (0.05)