Note 3 - Significant Accounting Policies (Details Textual) - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment, Useful Life	3 years
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 118,127	$ 118,127
Federal and State Income Tax Return Period From Date of Filing	3 years
Income tax Examination Period After Formal Notification to States	5 years
Revenues	$ 0	$ 0
Weighted Average Number Diluted Shares Outstanding Adjustment	0	0
Cash and Cash Equivalents, at Carrying Value	$ 0	$ 0
Property, Plant and Equipment, Gross	$ 118,127	$ 118,127