Note 10 - Variable Interest Entities - Summary of Intangible Assets and Goodwill of Delphax (Details) - Delphax [Member] - USD ($)	Dec. 31, 2016	Mar. 31, 2016
Goodwill	$ 375,000	$ 375,000
Intangible assets and goodwill, gross	1,585,000	1,585,000
Less accumulated amortization and impairment	(1,585,000)	(200,480)
Intangible assets and goodwill, net		1,384,520
Trade Names [Member]
Intangible assets, gross	120,000	120,000
Patents [Member]
Intangible assets, gross	$ 1,090,000	$ 1,090,000

Accumulated amount of amortization of infinite intangible assets and impairment of goodwill.

No definition available.

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- Definition

Represents the amount before amortization of assets and impairment of goodwill.

+ References

No definition available.

+ Details

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a,h)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

+ References

No definition available.

+ Details

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