Note 10 - Variable Interest Entities (As Restated) - Summary of Intangible Assets and Goodwill of Delphax (Details) - USD ($)	Dec. 31, 2016	Mar. 31, 2016
Goodwill	$ 4,185,265	$ 275,408	[1]
Delphax [Member]
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
Delphax [Member] | Trade Names [Member]
Intangible assets, gross	120,000	120,000
Delphax [Member] | Patents [Member]
Intangible assets, gross	$ 1,090,000	$ 1,090,000

[1] Derived from audited consolidated financial statements