Note 4 - Restructuring (Tables)
|6 Months Ended|
Jun. 30, 2017
|Restructuring and Related Activities [Abstract]|
|Schedule of Provision of Restructuring and Accrued Restructuring Charges||
|Schedule of Future Payments Under The Restructuring Plan||
Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.
Reference 1: http://www.xbrl.org/2003/role/presentationRef