Note 6 - Intangible Assets and Goodwill (Details Textual) - USD ($)	12 Months Ended
	Mar. 31, 2016		Mar. 31, 2015	Nov. 24, 2015
Finite-Lived Intangible Assets, Net	$ 1,109,112		$ 0
Amortization of Intangible Assets	51,000		0
Impairment of Intangible Assets, Finite-lived	50,000
Goodwill	275,408	[1]
Goodwill, Impairment Loss	100,000
Delphax [Member]
Goodwill				$ 375,408
Trade Names and Patents [Member]
Impairment of Intangible Assets, Finite-lived	$ 50,000

[1] The Consolidated Balance Sheet as of March 31, 2016 has been restated. See Note 1A.