19. Litigation (Details) $ in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2017 USD ($)
Aeroflex [Member]
19. Litigation (Details) [Line Items]
Loss Contingency, Damages Awarded, Value	$ 2.8
Loss Contingency Accrual	$ 2.8	$ 2.8
Loss Contingency, Damages Sought	Depending on the outcome of these hearings, both sides have the ability to appeal the decision or the judge could vacate the jury decision and schedule a new trial. If the judge enters a final damages award, both sides have approximately 30 days to file an appeal or a request a new trial. If the Company files the appeal on its own, it will be required to post a bond in the equal to the lesser of: (1) the final damages award; or (2) $1 million plus 25% of the amount of the verdict in excess of $1 million, which would currently total $1.45 million.
Business Opportunity [Member] | Aeroflex [Member]
19. Litigation (Details) [Line Items]
Loss Contingency, Damages Awarded, Value	$ 1.3
Non-Disclosure Agreements [Member] | Aeroflex [Member]
19. Litigation (Details) [Line Items]
Loss Contingency, Damages Awarded, Value	$ 1.5
Maximum [Member]
19. Litigation (Details) [Line Items]
Loss Contingency, Damages Sought, Value		$ 5.0