Annual report pursuant to Section 13 and 15(d)

Marketable Securities Schedule Of Marketable Securities (Details)

v3.7.0.1
Marketable Securities Schedule Of Marketable Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Marketable Securities [Line Items]    
Cost $ 0 $ 6,250
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 (1)
Available-for-sale Securities 0 6,249
Certificates of deposit    
Marketable Securities [Line Items]    
Cost 0 6,250
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 (1)
Available-for-sale Securities $ 0 $ 6,249