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Note 6 - Goodwill and Other Intangibles - Goodwill (Details) $ in Thousands	9 Months Ended
	Dec. 31, 2020 USD ($)
March 31, 2020	$ 1,719
December 31, 2020	34,659
Grid [Member]
March 31, 2020	1,719
NEPSI Acquisition	32,940
Less impairment loss
December 31, 2020	$ 34,659

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Paragraph 1
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

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+ References

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