Note 8 - Stock-Based Compensation and Other Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2014

Note 8 - Stock-Based Compensation and Other Employee Benefit Plans (Tables) [Line Items]

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

	2013				2014
	Non Plan		2007 Plan		Non Plan		2007 Plan
Risk free interest rate	2.19 – 2.64	%	2.19	%	2.63 – 2.73	%	2.63	%
Expected volatility	928	%	928	%	927 - 935	%	927	%
Expected dividend yield	—		—		—		—
Forfeiture rate	—		—		—		—
Expected life in years	7		7		7		7

2007 Equity Incentive Plan [Member]

Note 8 - Stock-Based Compensation and Other Employee Benefit Plans (Tables) [Line Items]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

								Weighted
								Average
	Options		Shares					Price per
	Outstanding		Available			Price per share		share
Balances as of December 31, 2012		8,521,086		4,260,742		0.23 – 1.89		$	0.44
Granted		40,000		(40,000	)		0.28		0.28
Exercised		—		—			—		—
Canceled		—		—			—		—
Balances as of June 30, 2013		8,561,086		4,420,742		0.23 – 1.89		$	0.44

								Weighted
								Average
	Options		Shares					Price per
	Outstanding		Available			Price per share		share
Balances as of December 31, 2013		8,561,086		4,420,742		0.23 – 1.89		$	0.44
Granted		40,000		(40,000	)		0.63		0.63
Exercised		—		—			—		—
Canceled		—		—			—		—
Balances as of June 30, 2014		8,601,086		4,380,742		0.23 – 1.89		$	0.44

Outside of 2007 Plan [Member]

Note 8 - Stock-Based Compensation and Other Employee Benefit Plans (Tables) [Line Items]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

					Weighted
					Average
	Options				Price per
	Outstanding		Price per share		share
Balances as of December 31, 2012		13,338,220	0.18 – 1.89		$	0.41
Granted		300,000	$	0.30	$	0.30
Exercised		—		—		—
Canceled		—		—		—
Balances as of June 30, 2013		13,638,220	0.185 – 1.89		$	0.41

	Options				Weighted Average Price per
	Outstanding		Price per share		share
Balances as of December 31, 2013		16,398,395	0.18 – 1.00		$	0.39
Granted		816,532	0.43 – 0.65		0.43 – 0.65
Exercised		—		—		—
Canceled		—		—		—
Balances as of June 30, 2014		17,214,927	0.18 – 1.00		$	0.40