Note 10 - Variable Interest Entities (As Restated) - Carrying Values of Assets and Liabilities of Delphax Included on the Company's Consolidated Balance Sheet10 (Details) - USD ($)	Dec. 31, 2016	Mar. 31, 2016		Dec. 31, 2015	Mar. 31, 2015
Cash and cash equivalents	$ 1,621,890	$ 5,345,455	[1]	$ 5,287,316	$ 14,165,120
Accounts receivable, net	15,239,948	12,303,128	[1]
Inventories	20,946,720	12,274,104	[1]
Other current assets	1,192,275	1,668,004	[1]
Total current assets	45,990,430	38,959,534	[1]
Property and equipment	5,168,905	4,577,774	[1]
Goodwill	4,185,265	275,408	[1]
Other Assets	402,439	317,528	[1]
Total assets	62,028,049	52,154,752	[1]
Accounts payable	9,054,684	7,003,660	[1]
Income tax payable		11,312	[1]
Accrued expenses	6,706,927	6,842,874	[1]
Short-term debt	1,163,577	1,859,300	[1]
Total current liabilities	16,925,188	15,717,146	[1]
Long-term debt	18,358,742	4,835	[1]
Other long-term liabilities	2,992,435	615,241	[1]
Total liabilities	38,822,365	16,883,222	[1]
Delphax [Member]
Goodwill	375,000	375,000
Delphax [Member] | Reportable Legal Entities [Member]
Cash and cash equivalents	95,357	249,528
Accounts receivable, net	2,000,183	1,433,494
Inventories	2,014,783	4,642,298
Other current assets	491,331	1,034,067
Total current assets	4,601,654	7,359,387
Property and equipment	33,474	625,684
Intangible assets		1,109,112
Goodwill		275,408
Other Assets		26,020
Total assets	4,635,128	9,395,611
Accounts payable	2,577,816	1,684,802
Income tax payable	11,312	11,312
Accrued expenses	3,562,787	1,926,340
Short-term debt	1,163,577	1,859,300
Total current liabilities	7,315,492	5,481,754
Long-term debt	2,748,471	2,581,107
Other long-term liabilities		606,358
Total liabilities	10,063,963	8,669,219
Net assets	$ (5,428,835)	$ 726,392

[1] Derived from audited consolidated financial statements