Annual report pursuant to Section 13 and 15(d)

Divestiture of Disc Publishing - Balance Sheet from Discontinued Operations (Details)

v3.7.0.1
Divestiture of Disc Publishing - Balance Sheet from Discontinued Operations (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Liabilities of Disposal Group, Including Discontinued Operation, Current $ 0 $ 50
Disc Publishing    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Other current liabilities $ 0 $ 50