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Note 5 - Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2019
Goodwill [Member] |
Notes Tables |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
|  | Goodwill Impairment Analysis |
|  | Key Assumptions |
|  | 2019 - Interim |  |  | 2018 - Annual |
Income Approach - Discounted Cash Flows: |  |  |  |  |  |  |  |
Revenue 5-year compound annual growth rate (CAGR) |  |  | 1.5 | % |  |  | 2.6 | %
EBITDA margins (next 12 month forecast) |  |  | 3.9 | % |  |  | 7.6 | %
Cost of equity capital |  |  | 15.4 | % |  |  | 14.2 | %
Cost of debt capital |  |  | 4.0 | % |  |  | 3.7 | %
Weighted average cost of capital |  |  | 14.0 | % |  |  | 13.0 | %
Market Approach - Multiples of Guideline Companies: |  |  |  |  |  |  |  |
Net operating revenue multiples used |  |  | 0.3 |  |  |  | 0.4 |
Operating EBITDA multiples used |  |  | 7.0 - 8.0 |  |  |  | 5.1 - 5.7 |
Invested capital control premium |  |  | 25 | % |  |  | 25 | %
Weighting of Valuation Methods: |  |  |  |  |  |  |  |
Income Approach - Discounted Cash Flows |  |  | 75 | % |  |  | 75 | %
Market Approach - Multiples of Guideline Companies |  |  | 25 | % |  |  | 25 | %

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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