Note 7 - Income Taxes - Provision for Income Tax Expense (Benefit) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal
State	(84,000)	(213,000)
Total current	(84,000)	(213,000)
Deferred:
Federal		(989,000)
State
Total deferred		(988,000)
Income tax (benefit) expense from continuing operations	$ (84,000)	$ (1,202,000)