Note 9 - Variable Interest Entities (As Restated) (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016
Goodwill		$ 275,408	[1]
Delphax [Member]
Percentage of Consolidated Subsidiaries Dividends Attributable to Parent	67.00%
Percentage of Consolidated Subsidiaries Dividends Attributable to Noncontrolling Interests	33.00%
Net Income (Loss) Attributable to Noncontrolling Interest, Percentage	32.00%
Delphax [Member]
Loan Due from Variable Interest Entity, Accrued Interest	$ 132,000	76,000
Amortization of Finite Lived Intangible Assets and Impairment of Goodwill	1,385,000
Severance Costs	5,610,000
Goodwill	375,000
Goodwill, Impairment Loss	275,000	$ 100,000
Delphax [Member] | Long-lived Tangible Assets [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 249,000

[1] Derived from audited financial statements