Note 9 - Variable Interest Entities (As Restated) (Details Textual) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Mar. 31, 2016	Mar. 31, 2016
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	33.00%	33.00%	33.00%	33.00%
Delphax [Member]
Loan Due from Variable Interest Entity, Accrued Interest			$ 76,000	$ 76,000