Summary of Significant Accounting Policies (Tables)

9 Months Ended

Dec. 31, 2019

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 nine ended December 31, 2019:

Deferred revenues at April 1, 2019	$	349,865
Additional extended warranties		149,000
Revenue recognized for the nine months ended December 31, 2019		(63,171	)
Deferred revenues at December 31, 2019	$	435,694

Disaggregation of Revenue [Table Text Block]

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

	For the Three Months Ended December 31, 2019
	Commercial		Government
Sales Distribution
Test Units	$	271,230	$	3,919,604
	$	271,230	$	3,919,604

	For the Three Months Ended December 31, 2018
	Commercial		Government
Sales Distribution
Test Units	$	46,631	$	3,484,380
	$	46,631	$	3,484,830

	For the Nine Months Ended December 31, 2019
	Commercial		Government
Sales Distribution
Test Units	$	782,283	$	9,531,198
	$	782,283	$	9,531,198

	For the Nine Months Ended December 31, 2018
	Commercial		Government
Sales Distribution
Test Units	$	642,855	$	5,861,061
	$	642,855	$	5,861,061

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

In the following table, revenue is disaggregated by geography.

	For the Three Months Ended December 31, 2019		For the Three Months Ended December 31, 2018
Geography
United States	$	2,070,339	$	3,085,283
International		2,662,796		890,453
Total	$	4,733,135	$	3,975,736

	For the Nine Months Ended December 31, 2019		For the Nine Months Ended December 31, 2018
Geography
United States	$	7,403,229	$	6,347,050
International		4,548,536		1,665,841
Total	$	11,951,765	$	8,012,891