Note 9 - Carrying Values of Assets and Liabilities of Delphax Included on the Company's Consolidated Balance Sheet (Details) - USD ($)	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Mar. 31, 2015
Delphax [Member] | Reportable Legal Entities [Member]
Cash and cash equivalents	$ 495,668	$ 249,528
Accounts receivable, net	1,460,541	1,433,494
Inventories	2,834,609	4,642,298
Other current assets	665,481	1,034,067
Total current assets	5,456,299	7,359,387
Property and equipment	66,605	625,684
Intangible assets		1,109,112
Goodwill		275,408
Other Assets		26,020
Total assets	5,522,904	9,395,611
Accounts payable	2,672,207	1,684,802
Income tax payable	11,312	11,312
Accrued expenses	4,409,633	1,926,340
Short-term debt	2,177,827	1,859,300
Total current liabilities	9,270,979	5,481,754
Long-term debt	2,632,027	2,581,107
Other long-term liabilities		606,358
Total liabilities	11,903,006	8,669,219
Net Assets	(6,380,102)	726,392
Delphax [Member]
Goodwill	375,000
Cash and cash equivalents	3,969,976	5,345,455	$ 7,581,082	$ 13,388,767
Accounts receivable, net	11,230,664	12,303,128
Inventories	15,199,716	12,274,104
Other current assets	1,192,794	1,668,004
Total current assets	39,546,440	38,959,534
Property and equipment	4,813,305	4,577,774
Goodwill		275,408
Other Assets	291,818	317,528
Total assets	50,373,955	52,154,752
Accounts payable	8,896,453	7,003,660
Income tax payable		11,312
Accrued expenses	8,035,357	6,842,874
Short-term debt	2,177,827	1,859,300
Total current liabilities	19,109,637	15,717,146
Long-term debt	3,320,701	4,835
Other long-term liabilities	$ 24,498	$ 615,241