Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Fair Value Measurements (Details Textual)

v3.7.0.1
Note 3 - Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Asset Impairment Charges $ 0 $ 0 $ 0 $ 0