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Note 4 - Convertible Notes to Related Parties (Details Textual)		1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 29, 2011 shares	Apr. 30, 2011 USD ($) shares	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Convertible Debt Securities [Member] | Common Stock [Member]
Debt Instrument, Term					10 years
Debt Instrument Conversion Ratio Shares | shares		1,250
Convertible Debt Securities [Member] | In Case of Debt Conversion [Member]
Debt Instrument, Face Amount			$ 5,586,000		$ 5,586,000
Debt Instrument, Convertible, Number of Equity Instruments					6,981,833
Convertible Debt Securities [Member]
Debt Instrument, Maturity Date		May 02, 2021
Debt Instrument, Interest Rate, Stated Percentage		6.00%
Debt Instrument Conversion Ratio Multiple of Principal		$ 1,000
Beneficial Ownership after Conversion		9.99%
Notice Period Associated with Beneficial Ownership Percentage Limitation Convertible Notes		61 days
Paid-in-Kind Interest					$ 244,000
Convertible Notes Payable, Related Parties, Current			2,061,000		2,061,000
Debt Instrument, Face Amount			5,586,000		5,586,000
Debt Instrument, Unamortized Discount			3,525,000		3,525,000
Convertible Debt Issuable in Connection with Private Placement		$ 4,500,000
Proceeds from Convertible Debt		$ 4,300,000
Common Shares Registered for Resale in Connection with Convertible Notes | shares	3,500,000
Debt Instrument, Increase (Decrease) in Unamortized Discount					244,000
Interest Expense, Debt, Excluding Amortization			84,000	$ 79,000	248,000	$ 233,000
Amortization of Debt Discount (Premium)			158,000	$ 145,000	463,000	$ 425,000
Convertible Notes Payable, Related Parties, Current			$ 2,061,000		$ 2,061,000		$ 1,598,000

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