Consolidated Balance Sheets (Parentheticals) - USD ($)	Mar. 31, 2019	Mar. 31, 2018
Cash and cash equivalents	$ 12,524,321	$ 4,803,238
Accounts receivable	754,108	801,000
Accounts receivable	19,077,248	15,157,855
Prepaid expenses and other	1,880,126	1,455,566
Asset on lease, accumulated depreciation	6,688,630	1,625,237
Property and equipment, accumulated depreciation	5,665,498	4,722,016
Other tax receivables - long term	311,000	311,000
Intangible assets, accumulated amortization	2,156,192	1,788,598
Accounts payable	12,552,724	10,181,143
Income tax payable	661,690	23,000
Accrued payroll and related items	8,910,245	7,632,957
Customer deposits	1,520,000	590,000
Other accrued expenses	4,414,127	3,521,016
Current portion of long-term debt	24,735,224	9,229,690
Long-term debt	$ 32,917,765	$ 38,855,260
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)	2,022,637	2,043,607
Common stock, shares outstanding (in shares)	2,022,637	2,043,607
Delphax [Member]
Cash and cash equivalents	$ 12,315	$ 241,430
Accounts receivable	294,296	317,000
Prepaid expenses and other	58,164	72,269
Other tax receivables - long term	311,000	311,000
Accounts payable	2,134,053	2,145,847
Income tax payable	0	11,312
Accrued payroll and related items	3,146,395	3,244,514
Customer deposits	0	0
Other accrued expenses	11,312	0
Current portion of long-term debt	0	1,788,285
Long-term debt	$ 0	$ 0