Note 9 - Variable Interest Entities (As Restated) - Revenue and Expenses of Delphax Included in the Company's Consolidated Statements of Operations (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Operating Revenues	$ 46,618,573	$ 30,892,986	$ 113,631,022	$ 87,296,249
General and administrative	4,585,364	3,654,280	12,050,479	10,636,068
Research and development	216,000		216,000
Depreciation and amortization	296,474	221,655	667,595	660,825
	42,728,456	28,752,166	105,285,354	82,459,983
Operating Loss	3,890,117	2,140,820	8,345,668	4,836,266
Non-operating Income	55,083	(1,750)	25,452	(1,894)
Loss Before Income Taxes	3,945,200	2,139,070	8,371,120	4,834,372
Income Tax Expense (Benefit)	1,499,000	690,617	2,867,000	1,494,821
Net Loss	$ 2,446,200	$ 1,448,453	5,504,120	$ 3,339,551
Delphax [Member]
Operating Revenues			1,035,000
Cost of sales			1,376,000
General and administrative			309,000
Research and development			216,000
Depreciation and amortization			17,000
			1,918,000
Operating Loss			(883,000)
Non-operating Income			36,000
Loss Before Income Taxes			(847,000)
Income Tax Expense (Benefit)
Net Loss			$ (847,000)