Note 8 - Acquisition of Interests in Delphax (As Amended) - Acquisitions - Fair Values of Delphax Assets and Liabilities as of the Delphax Closing Date (Details) - USD ($)	Mar. 31, 2016	[1]	Nov. 24, 2015	Mar. 31, 2015
ASSETS
Goodwill	$ 275,408
Delphax [Member]
ASSETS
Cash and cash equivalents			$ 586,061
Accounts receivable			1,740,210
Inventories			3,972,802
Other current assets			693,590
Property and equipment			722,714
Goodwill			375,408
Total assets			9,300,785
LIABILITIES
Accounts payable			1,663,199
Accrued expenses			1,949,522
Income tax payable			11,312
Debt			3,313,317
Other long-term liabilities			650,500
Total liabilities			7,587,850
Net Assets			1,712,935
Delphax [Member] | Trade Names [Member]
ASSETS
Intangible assets			120,000
Delphax [Member] | Patents [Member]
ASSETS
Intangible assets			$ 1,090,000

[1] The Consolidated Balance Sheet as of March 31, 2016 has been restated. See Note 1A.