Note 7 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net Income (Loss) Attributable to Parent	$ 421,000	$ (5,000)	$ (487,000)	$ (1,045,000)
Effective Income Tax Rate Reconciliation, Percent	0.00%	0.00%	0.00%	0.00%