Note 2 - Liquidity and Going Concern (Details) - USD ($)		1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 05, 2018	Oct. 31, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2018
Note 2 - Liquidity and Going Concern (Details) [Line Items]
Net Income (Loss) Attributable to Parent				$ 639,453	$ (333,436)	$ (298,030)	$ (3,540,116)	$ (4,322,311)
Estimated Litigation Liability				5,216,647		5,216,647
Restricted Cash, Current				2,003,883		2,003,883		$ 2,000,866
Stock Issued During Period, Shares, New Issues (in Shares)	166,667
Proceeds from Issuance or Sale of Equity	$ 1,000,000
Aeroflex [Member]
Note 2 - Liquidity and Going Concern (Details) [Line Items]
Loss Contingency, Damages Awarded, Value		$ 2,100,000	$ 2,800,000
Restricted Cash, Current				$ 2,000,000		$ 2,000,000
Aeroflex [Member]
Note 2 - Liquidity and Going Concern (Details) [Line Items]
Loss Contingency, Damages Awarded, Value		$ 2,100,000	$ 2,800,000