Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Deferred Revenue, by Arrangement, Disclosure [Table Text Block]

The following table provides a summary of the changes in deferred revenues related to extended warranties for the year ended March 31, 2022:

Deferred revenues related to extended warranties on April 1, 2021	$	408,219
Additional extended warranties		54,479
Revenue recognized for the year ended March 31, 2022		(75,791	)
Deferred revenues related to extended warranties on March 31, 2022	$	386,907

Disaggregation of Revenue [Table Text Block]

In the following tables, revenue is disaggregated by revenue category.

	For the Year Ended March 31, 2022
	Commercial		Government
Sales Distribution
Test Units	$	409,594	$	10,307,842
	$	409,594	$	10,307,842

	For the Year Ended March 31, 2021
	Commercial		Government
Sales Distribution
Test Units	$	325,195	$	9,858,537
	$	325,195	$	9,858,537

Revenue from External Customers by Geographic Areas [Table Text Block]

In the following table, revenue is disaggregated by geography.

	For the Year Ended March 31, 2022		For the Year Ended March 31, 2021
Geography
United States	$	8,175,301	$	5,511,516
International		4,757,489		6,071,004
Total	$	12,932,790	$	11,582,520