Note 5 - Goodwill	6 Months Ended
Sep. 30, 2020
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, 2020 , that would require interim impairment testing of goodwill.

The entire disclosure for goodwill.

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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