Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Dec. 31, 2015		Mar. 31, 2015
Delphax [Member]
VIE Assets	$ 8,015,000
VIE Liabilities	3,617,000
Allowance for doubtful accounts	183,000	[1]	$ 222,000	[2]
VIE Assets	$ 49,757,287	[3]	$ 43,456,382	[4]
Preferred stock, par value (in dollars per share)	$ 1	[1]	$ 1	[2]
Preferred stock, authorized (in shares)	50,000	[1]	50,000	[2]
Common stock, par value (in dollars per share)	$ 0.25	[1]	$ 0.25	[2]
Common stock, authorized (in shares)	4,000,000	[1]	4,000,000	[2]
Common stock, issued (in shares)	2,372,527	[1]	2,372,527	[2]
Common stock, outstanding (in shares)	2,372,527	[1]	2,372,527	[2]

[1] Includes VIE assets of $8,015,000 and VIE liabilities of $3,617,000 - Note 9

[2] Derived from audited financial statements

[3] Includes VIE assets of $8,015,000 and VIE liabilities of $3,617,000 - Note 9

[4] Derived from audited financial statements