Summary of Significant Accounting Policies (Tables)

3 Months Ended

Jun. 30, 2020

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, 2020:

Deferred revenues at April 1, 2020	$	413,554
Additional extended warranties		-
Revenue recognized for the three months ended June 30, 2020		(22,140	)
Deferred revenues at June 30, 2020	$	391,414

Disaggregation of Revenue [Table Text Block]

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

	For the Three Months Ended June 30, 2020
	Commercial		Government
Sales Distribution
Test Units	$	58,573	$	2,563,277
	$	58,573	$	2,563,277

	For the Three Months Ended June 30, 2019
	Commercial		Government
Sales Distribution
Test Units	$	295,923	$	2,504,140
	$	295,923	$	2,504,140

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, 2020		For the Three Months Ended June 30, 2019
Geography
United States	$	1,714,599	$	2,912,737
International		1,224,838		393,725
Total	$	2,939,437	$	3,306,462