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Note 5 - Goodwill | 6 Months Ended
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Sep. 30, 2019
Notes to Financial Statements |
Goodwill Disclosure [Text Block] | 5. Goodwill The Company did not identify any triggering events in the three and six months ended September 30, 2019 , that would require interim impairment testing of goodwill.

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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 + Details
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