2. Summary of Significant Accounting Policies (Details) - USD ($)		3 Months Ended								12 Months Ended
	Nov. 22, 2017	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2019	Mar. 31, 2018
2. Summary of Significant Accounting Policies (Details) [Line Items]
Estimated Litigation Liability		$ 5,300,000								$ 5,300,000
Standard Product Warranty Description										two years from the date of sale
Property, Plant and Equipment, Depreciation Methods										straight-line basis
Deferred Revenue		361,791				$ 397,727				$ 361,791	$ 397,727
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period										4 years
Product Warranty Expense										$ 58,082	4,823
Extended Product Warranty Description										The extended warranties sold by the Company provide a level of assurance beyond the coverage for defects that existed at the time of a sale or against certain types of covered damage with coverage terms generally ranging from 5 to 7 years.
Extended Product Warranty Accrual		361,791								$ 361,791
Recognition of Deferred Revenue										50,353	27,368
Revenues		4,103,159	$ 3,975,736	$ 2,222,941	$ 1,814,214	2,069,553	$ 2,625,793	$ 1,787,165	$ 3,542,077	12,116,050	10,024,588
Operating Lease, Right-of-Use Asset		$ 500,000								$ 500,000
Aeroflex [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Loss Contingency, Damages Awarded, Value											4,900,000
Restricted Cash, Current						$ 2,000,000					2,000,000
Equipment [Member] | Minimum [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life										3 years
Equipment [Member] | Maximum [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life										5 years
Total Damages Award by Court [Member] | Aeroflex [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Loss Contingency, Damages Awarded, Value	$ 2,800,000
Additional Punitive Damages [Member] | Aeroflex [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Loss Contingency, Damages Awarded, Value											2,100,000
Repairs and Calibration [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Revenues										$ 1,686,643	$ 1,228,011
Repairs and Calibration [Member] | Product Concentration Risk [Member] | Cost of Goods and Service, Product and Service Benchmark [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Percentage										14.30%	12.50%
Replacement Parts [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Revenues										$ 294,572	$ 284,440
Extended Warranty [Member]
2. Summary of Significant Accounting Policies (Details) [Line Items]
Revenues										$ 50,353	$ 27,368