Summary of Significant Accounting Policies (Tables)

3 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

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

The following table provides a summary of the changes in deferred revenues for the three months ended June 30, 2022:

Deferred revenues at April 1, 2022	$	386,907
Additional extended warranties		3,600
Revenue recognized for the three months ended June 30, 2022		(23,541	)
Deferred revenues at June 30, 2022	$	366,966

Disaggregation of Revenue [Table Text Block]

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

	For the Three Months Ended June 30, 2022
	Commercial		Government
Sales Distribution
Test Units	$	107,950	$	1,604,150
	$	107,950	$	1,604,150

	For the Three Months Ended June 30, 2021
	Commercial		Government
Sales Distribution
Test Units	$	42,465	$	3,569,603
	$	42,465	$	3,569,603

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

In the following table, revenue is disaggregated by geography.

	For the Three Months Ended June 30, 2022		For the Three Months Ended June 30, 2021
Geography
United States	$	1,900,929	$	2,449,414
International		352,828		1,682,979
Total	$	2,253,757	$	4,132,393