Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)		Jun. 30, 2018	Mar. 31, 2018
Cash and cash equivalents	[1]	$ 5,746,521	$ 4,803,238	[2]
Accounts receivable	[3]	755,865	801,000	[4]
Accounts receivable	[1]	19,120,159	15,157,855	[2]
Inventories, net	[1]	27,619,851	34,231,005	[2]
Prepaid expenses and other	[1]	1,147,368	1,455,566	[2]
Other tax receivables - long term		311,000	311,000	[2]
Accounts payable	[1]	14,887,263	10,181,143	[2]
Income tax payable	[1]	23,000	23,000	[2]
Accrued expenses	[1]	10,418,865	11,743,973	[2]
Long-term debt	[2]	$ 31,322,098	$ 38,855,260
Preferred stock, par value (in dollars per share)		$ 1	$ 1	[4]
Preferred stock, shares authorized (in shares)		50,000	50,000	[4]
Common stock, par value (in dollars per share)		$ 0.25	$ 0.25	[4]
Common stock, shares authorized (in shares)		4,000,000	4,000,000	[4]
Common stock, shares issued (in shares)		2,043,607	2,043,607	[4]
Common stock, shares outstanding (in shares)		2,043,607	2,043,607	[4]
Delphax [Member]
Cash and cash equivalents	[3]	$ 371,831	$ 241,430	[4]
Accounts receivable	[3]	41,150	317,000	[4]
Inventories, net	[3]	0	0	[4]
Prepaid expenses and other	[3]	58,898	72,269	[4]
Other tax receivables - long term	[3]	311,000	311,000	[4]
Accounts payable	[3]	2,160,817	2,145,847	[4]
Income tax payable	[3]	11,312	11,312	[4]
Accrued expenses	[3]	3,180,724	3,244,514	[4]
Long-term debt	[4]	$ 0	$ 0

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

[2] Derived from audited consolidated financial statements

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

[4] Derived from audited consolidated financial statements