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Note 15 - Goodwill	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Goodwill Disclosure [Text Block]	15.    Goodwill Under the provisions of U.S. GAAP, goodwill is subject to at least annual assessments for impairment by applying a fair-value based test. U.S. GAAP also requires that an acquired intangible asset should be separately recognized if the benefit of the intangible asset is obtained through contractual or other legal rights, or if the asset can be sold, licensed, rented or exchanged, regardless of the acquirer’s intent to do so. The Company has determined that the fair value of goodwill was not impaired as of December 31, 2018 and 2017.

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- Definition

The entire disclosure for goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2144439

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