Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Fair Value - Gross Unrealized Losses and Fair Value of Investments in Unrealized Loss Postion (Details)

v3.6.0.2
Note 5 - Fair Value - Gross Unrealized Losses and Fair Value of Investments in Unrealized Loss Postion (Details)
$ in Thousands
Jan. 01, 2017
USD ($)
Fair value of securities in a continuous loss position for less than 12 months $ 94,212
Goss loss on securities in a continuous loss position for less than 12 months (174)
Fair value of securities in a continuous loss position 94,212
Goss loss on securities in a continuous loss position (174)
Corporate Debt Securities [Member]  
Fair value of securities in a continuous loss position for less than 12 months 77,362
Goss loss on securities in a continuous loss position for less than 12 months (159)
Fair value of securities in a continuous loss position 77,362
Goss loss on securities in a continuous loss position (159)
US Government Corporations and Agencies Securities [Member]  
Fair value of securities in a continuous loss position for less than 12 months 15,379
Goss loss on securities in a continuous loss position for less than 12 months (13)
Fair value of securities in a continuous loss position 15,379
Goss loss on securities in a continuous loss position (13)
US States and Political Subdivisions Debt Securities [Member]  
Fair value of securities in a continuous loss position for less than 12 months 1,471
Goss loss on securities in a continuous loss position for less than 12 months (2)
Fair value of securities in a continuous loss position 1,471
Goss loss on securities in a continuous loss position $ (2)