Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)		Sep. 30, 2018	Mar. 31, 2018
Cash and cash equivalents	[1]	$ 5,612,472	$ 4,803,238
Accounts receivable	[2]	727,169	801,000
Accounts receivable	[1]	18,634,629	15,157,855
Prepaid expenses	[1]	1,919,611	1,455,566
Property and equipment, accumulated depreciation		8,749,057	6,347,253
Other tax receivables - long term		311,000	311,000
Intangible assets, accumulated amortization		1,960,734	1,788,598
Accounts payable	[1]	14,730,946	10,181,143
Accrued expenses	[1]	$ 13,769,010	$ 11,743,973
Preferred stock, par value (in dollars per share)		$ 1	$ 1
Preferred stock, shares authorized (in shares)		50,000	50,000
Common stock, par value (in dollars per share)		$ 0.25	$ 0.25
Common stock, shares authorized (in shares)		4,000,000	4,000,000
Common stock, shares issued (in shares)		2,044,614	2,043,607
Common stock, shares outstanding (in shares)		2,044,614	2,043,607
Delphax [Member]
Cash and cash equivalents	[2]	$ 314,481	$ 241,430
Accounts receivable	[2]	298,199	317,000
Prepaid expenses	[2]	58,754	72,269
Other tax receivables - long term	[2]	311,000	311,000
Accounts payable	[2]	2,146,938	2,145,847
Accrued expenses	[2]	$ 3,234,808	$ 3,244,514

[1] Amounts related to Delphax as of September 30, 2018 and March 31, 2018, respectively.

[2] Amounts related to Delphax as of September 30, 2018 and March 31, 2018, respectively.