Note 5 - Income Taxes - Provision for Income Tax Expense (Benefit) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal
State	(213,000)
Total current	(213,000)
Deferred:
Federal	(989,000)
State
Total deferred	(988,000)
Income tax (benefit) expense from continuing operations	(1,202,000)
Income tax (benefit) expense from discontinued operations		$ (35,000)