Note 3 - Discontinued Operations (Tables)
|9 Months Ended|
Sep. 30, 2018
|Disposal Groups, Including Discontinued Operations [Table Text Block]||
Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef