Note 14 - Litigation (Details) - Aeroflex [Member]	1 Months Ended
	Mar. 31, 2017 USD ($)
Note 14 - Litigation (Details) [Line Items]
Loss Contingency, Damages Awarded, Value	$ 2,800,000
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 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]
Note 14 - Litigation (Details) [Line Items]
Loss Contingency, Damages Awarded, Value	$ 1,300,000
Non-Disclosure Agreements [Member]
Note 14 - Litigation (Details) [Line Items]
Loss Contingency, Damages Awarded, Value	525,000
Loss Contingency, Damages Sought, Value	1,500,000
Maximum [Member]
Note 14 - Litigation (Details) [Line Items]
Loss Contingency, Damages Sought, Value	$ 5,000,000