Note 1 - Nature of Operations, Basis of Presentation and Consolidation - Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income available to common stockholders	$ 34	$ 397	$ (539)	$ (1,526)
Basic (in shares)	10,580	11,082	10,532	11,207
Net income available to common stockholders, per share (in dollars per share)	$ 0.00	$ 0.04	$ (0.05)	$ (0.14)
Non-vested restricted stock, shares (in shares)	844	53	0	0
Net income available to common stockholders plus assumed conversions	$ 34	$ 397	$ (539)	$ (1,526)
Net income available to common stockholders plus assumed conversions, shares (in shares)	11,424	11,135	10,532	11,207
Net income available to common stockholders plus assumed conversions, per share (in dollars per share)	$ 0.00	$ 0.04	$ (0.05)	$ (0.14)