Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Income Taxes (Details Textual)

v3.7.0.1
Note 9 - Income Taxes (Details Textual)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Percent 0.00% 0.00% 0.00% 0.00%  
Scenario, Forecast [Member]          
Effective Income Tax Rate Reconciliation, Percent         0.00%