Note 9 - Intangible Assets and Goodwill - Goodwill (Details) - USD ($)	Mar. 31, 2019	Mar. 31, 2018
Goodwill, at original cost	$ 4,793,013	$ 4,793,013
Less accumulated impairment	(375,408)	(375,408)
Goodwill, net of impairment	$ 4,417,605	$ 4,417,605

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.

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Amount before 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
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