Note 2 - Liquidity, Financial Condition and Management's Plans (Details Textual) - USD ($)								1 Months Ended		3 Months Ended	12 Months Ended
	Apr. 05, 2017	Mar. 28, 2017	Mar. 24, 2017	Mar. 15, 2017	Mar. 09, 2017	Nov. 15, 2016	Oct. 21, 2016	Mar. 31, 2017	Feb. 28, 2017	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Mar. 03, 2017	Feb. 23, 2017	Feb. 16, 2017	Dec. 29, 2016	Sep. 05, 2016
Net Income (Loss) Attributable to Parent											$ (1,122,000)	$ (1,096,000)
Retained Earnings (Accumulated Deficit)										$ (12,158,000)	(12,158,000)	(11,036,000)
Working Capital										$ 1,963,000	1,963,000
Net Cash Provided by (Used in) Operating Activities, Continuing Operations											(358,000)	$ (529,000)
Proceeds from Convertible Debt							$ 500,000				530,000
Stock and Warrants Issued During Period, Shares						901,666
Stock and Warrants Issued During Period, Value						$ 541,000					$ 541,000
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right						1
Class of Warrant or Right, Exercise Price of Warrants or Rights										$ 0.01	$ 0.01
Common Stock [Member]
Stock and Warrants Issued During Period, Shares											901,666
Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage		6.00%
Debt Instrument, Face Amount									$ 400,000					$ 300,000	$ 100,000
Proceeds from Convertible Debt		$ 270,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	180,000								333,333
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.90								$ 0.70
Stock Issued During Period, Value, New Issues				$ 500,000
Subsequent Event [Member] | Common Stock [Member]
Stock Issued During Period, Shares, New Issues	360,000
Shares Issued, Price Per Share	$ 0.75
Subsequent Event [Member] | 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
Subsequent Event [Member] | 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
Subsequent Event [Member] | Demand Promissory Notes [Member]
Extinguishment of Debt, Amount									$ 400,000
Subsequent Event [Member] | Debt Due to MCKEA [Member]
Extinguishment of Debt, Amount			$ 250,000
Convertible Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage							12.00%
Debt Instrument, Face Amount							$ 530,000
Proceeds from Convertible Debt							$ 488,000
Demand Promissory Notes [Member] | Subsequent Event [Member]
Debt Instrument, Face Amount		$ 270,000							400,000
Proceeds from Notes Payable									$ 400,000
Telkoor [Member]
Cost Method Investment, Shares Sold Back																	1,136,666
Cost Method Investments																	$ 90,000
MCKEA [Member] | Demand Promissory Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage																6.00%
Debt Instrument, Face Amount																$ 250,000
Avalanche International Corp. [Member]
Convertible Notes Payable										$ 950,000	$ 950,000
Payments for Repurchase of Common Stock										84,000
Avalanche International Corp. [Member] | Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage													7.00%
Debt Instrument, Face Amount													$ 9,500,000
Avalanche International Corp. [Member] | Convertible Notes [Member]
Debt Instrument, Face Amount										$ 997,000	$ 997,000
Philou Ventures, LLC [Member] | Subsequent Event [Member]
Preferred Stock Purchase Agreement, Maximum Investment Amount Agreed Upon					$ 5,000,000,000
Preferred Stock Purchase Agreement, Term					3 years
Philou Ventures, LLC [Member] | Subsequent Event [Member] | Series B Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues			25,000
MTIX [Member] | Subsequent Event [Member] | MLSE Plasma-Laser System [Member]
Supply Commitment, Term								3 years
Supply Commitment, Amount Committed								$ 50,000,000