Note 2 - Liquidity, Financial Condition and Management's Plans (Details Textual) - USD ($)									1 Months Ended	3 Months Ended
	May 05, 2017	Apr. 05, 2017	Apr. 03, 2017	Mar. 31, 2017	Mar. 24, 2017	Mar. 20, 2017	Mar. 15, 2017	Mar. 09, 2017	Feb. 28, 2017	Mar. 31, 2017	Mar. 31, 2016	Mar. 28, 2017	Dec. 31, 2016	Oct. 21, 2016	Dec. 31, 2015
Cash and Cash Equivalents, at Carrying Value				$ 1,138,000						$ 1,138,000	$ 1,158,000		$ 996,000		$ 1,241,000
Retained Earnings (Accumulated Deficit)				(13,152,000)						(13,152,000)			$ (12,158,000)
Working Capital				$ 1,535,000						1,535,000
Net Income (Loss) Attributable to Parent										$ (994,000)	$ (193,000)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					357,143				333,333					530,000
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 0.68					$ 0.70	$ 0.68
Debt Instrument, Face Amount									$ 400,000
Stock Issued During Period, Shares, New Issues							500,000
Demand Promissory Notes [Member]
Proceeds from Issuance of Debt						$ 250,000
Subsequent Event [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		180,000
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.90
Philou Ventures, LLC [Member]
Preferred Stock Purchase Agreement, Maximum Investment Amount Agreed Upon								$ 5,000,000
Preferred Stock Purchase Agreement, Term								3 years
Philou Ventures, LLC [Member] | Series B Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues					25,000
Philou Ventures, LLC [Member] | Series B Preferred Stock [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues	50,000
Stock Issued During Period, Value, New Issues	$ 500,000
MTIX [Member] | Subsequent Event [Member] | MLSE Plasma-Laser System [Member]
Supply Commitment, Term										3 years
Supply Commitment, Amount Committed				$ 50,000,000						$ 50,000,000
Common Stock [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues		360,000
Shares Issued, Price Per Share		$ 0.75
Common Stock [Member] | Holders of Demand Promissory Notes [Member]
Stock Issued During Period, Shares, New Issues									666,667
Shares Issued, Price Per Share									$ 0.60
Common Stock [Member] | One Investor [Member]
Stock Issued During Period, Shares, New Issues							500,000
Shares Issued, Price Per Share							$ 0.60
Stock Issued During Period, Value, New Issues							$ 300,000
Demand Promissory Notes [Member]
Extinguishment of Debt, Amount									$ 400,000
Debt Due to MCKEA [Member]
Extinguishment of Debt, Amount					$ 250,000
Demand Promissory Notes [Member]
Proceeds from Notes Payable									400,000
Debt Instrument, Face Amount									$ 400,000			$ 270,000
Proceeds from Issuance of Debt				$ 220,000
Demand Promissory Notes [Member] | Subsequent Event [Member]
Proceeds from Issuance of Debt			$ 50,000