Note 9 - Variable Interest Entities (As Restated) - Carrying Values of Assets and Liabilities of Delphax Included on the Company's Consolidated Balance Sheet (Details) - USD ($)	Dec. 31, 2015	Mar. 31, 2015		Dec. 31, 2014	Mar. 31, 2014
Cash and cash equivalents	$ 5,287,316	$ 14,165,120	[1]	$ 8,816,496	$ 3,758,888
Accounts receivable, net	14,969,012	9,534,563	[1]
Inventories	11,557,592	7,789,649
Other current assets	1,189,235	612,334	[1]
Total current assets	38,095,644	38,670,024	[1]
Property and equipment	4,516,440	2,571,499	[1]
Other Assets	289,967	224,188	[1]
Total assets	49,757,287	43,456,382	[1]
Accounts payable	5,629,318	4,715,708	[1]
Income tax payable	872,267		[1]
Accrued expenses	5,456,011	3,529,451	[1]
Short-term debt	208,000		[1]
Total current liabilities	12,165,596	8,245,159	[1]
Long-term debt	11,000	5,000,000	[1]
Other long-term liabilities	53,690		[1]
Delphax [Member] | Reportable Legal Entities [Member]
Cash and cash equivalents	276,000
Accounts receivable, net	1,838,000
Inventories	4,869,000
Other current assets	612,000
Total current assets	7,595,000
Property and equipment	391,000
Other Assets	29,000
Total assets	8,015,000
Accounts payable	1,197,000
Income tax payable	170,000
Accrued expenses	1,982,000
Short-term debt	208,000
Total current liabilities	3,557,000
Long-term debt	2,511,000
Other long-term liabilities	49,000
Total liabilities	6,117,000
Net Assets	$ 1,898,000

[1] Derived from audited consolidated financial statements