Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Mar. 31, 2020
Summary of Significant Accounting Policies (Details) [Line Items]
Extended Product Warranty Description			The extended warranties sold by the Company provide a level of assurance beyond the coverage for defects that existed at the time of a sale or against certain types of covered damage with coverage terms generally ranging from 5 to 7 years.
Extended Product Warranty Accrual	$ 388,458		$ 388,458		$ 413,554
Recognition of Deferred Revenue	22,140	$ 21,166	44,280	$ 40,657
Deferred Revenue and Credits, Current	61,116		61,116		$ 58,746
Revenues	3,336,396	3,912,168	6,275,833	7,218,630
Western Europe [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	2,115,484		2,552,742
Repairs and Calibration [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	211,542	449,900	489,440	872,756
Replacement Parts [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	7,700	117,661	23,770	181,713
Extended Warranty [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	22,140	$ 21,166	44,280	$ 40,657
Other Revenue [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	$ 55,273		$ 56,752