Note 6 - Intangible Assets
|6 Months Ended|
Jun. 30, 2017
|Notes to Financial Statements|
|Intangible Assets Disclosure [Text Block]||
Intangible assets consist of the following:
Amortization expense was
June 30, 2017,respectively. Amortization expense was
June 30, 2016,respectively.
Estimated amortization expense for
2017and subsequent years is as follows:
The entire disclosure for all or part of the information related to intangible assets.
Reference 1: http://www.xbrl.org/2003/role/presentationRef