Variable Interest Entities - Revenue and Expenses of Delphax Included in the Company's Consolidated Statements of Operations (Details) - USD ($)	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Variable Interest Entity [Line Items]
Total	$ 55,704,535	$ 60,867,469
General and administrative	10,919,320	8,584,803
Operating Expenses	54,492,836	58,263,767
Operating Loss	1,211,699	2,603,702
Non-operating Income (Expenses), net	2,619,960	1,065,409
Income Before Income Taxes	3,831,659	3,669,111
Income Taxes	(324,000)	387,000
Net Income	4,155,659	3,282,111
Delphax
Variable Interest Entity [Line Items]
Total	0	0
Cost of sales	0	0
General and administrative	72,748	52,260
Operating Expenses	72,748	52,260
Operating Loss	(72,748)	(52,260)
Non-operating Income (Expenses), net	6,237,385	(87,917)
Income Before Income Taxes	6,164,637	(140,177)
Income Taxes	0	0
Net Income	$ 6,164,637	$ (140,177)