Note 6 - Severance Liability (Tables)

12 Months Ended

Dec. 31, 2013

Note 6 - Severance Liability (Tables) [Line Items]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2013			2012
Estimated volatility	113%	-	125%	70%	-	174%
Annualized forfeiture rate	5.34%	-	10.02%	0.0%	-	9.79%
Expected option term (years)		10.00		0.25	-	10.00
Estimated exercise factor	6.5	-	15	5	-	15
Approximate risk-free interest rate	2.71	-	2.74%	0.08%	-	2.04%
Expected dividend yield		—			—

Restructuring and Related Costs [Table Text Block]

	Compensation			Medical Coverage			Total
Balance at December 31, 2012	$	250,100		$	12,300		$	262,400
Separation agreement entered into in 2013		60,000			15,700			75,700
Accrued interest		21,000			800			21,800
Payments		(268,200	)		(28,800	)		(297,000	)
Balance at December 31, 2013	$	62,900		$	—		$	62,900

Former Chief Executive Officer [Member]

Note 6 - Severance Liability (Tables) [Line Items]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Estimated Volatility			Annualized Forfeiture Rate			Expected Option Term (Years)				Estimated Exercise Factor		Risk-Free Interest Rate			Dividends
Modified options	70%	-	157%		0.00	%		0.25	–	2.5		10	0.08%	-	0.29%		—
New option		157%			0.00	%			2.5			10		0.29%			—