2. Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Disaggregation of Revenue [Table Text Block]

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

	For the Year Ended March 31, 2019
	Commercial		Government
Sales Distribution
Test Units		845,103		9,239,379
	$	845,103	$	9,239,379

	For the Year Ended March 31, 2018
	Commercial		Government
Sales Distribution
Test Units		1,089,045		7,395,724
	$	1,089,045	$	7,395,724

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, 2019		For the Year Ended March 31, 2018
Geography
United States	$	9,677,822	$	7,424,780
International		2,438,228		2,599,808
Total	$	12,116,050	$	10,024,588