Note 9 - Options and Warrants to Purchase Common Stock (Tables)

6 Months Ended

Jun. 30, 2015

Options And Warrants To Purchase Common Stock [Abstract]

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

		Warrants Outstanding and Exercisable
Exercise Price		Number Outstanding		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price
$	0.75		139,340		0.25	$	0.75
$	0.78		213,402		0.59	$	0.78
$	0.80		124,481		0.50	$	0.80
$	1.00		180,000		0.31	$	1.00
$	1.15		461,340		5.83	$	1.15
$	2.00		54,367		1.09	$	2.00
			1,172,930		2.58	$	1.01

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

	2015			2014
Dividend Yield		0	%		0	%
Expected Life (years)		5.6			5 - 6
Expected Volatility		51	%		55.70	%
Risk Free Interest Rate		1.47	%		1.71 – 1.90	%

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

	June 30, 2015
	Shares			Weighted Average Exercise Price
Outstanding at beginning of period		17,053,116		$	1.02
Issued		888,356			0.70
Exercised		--			--
Expired		(125,000	)		--
Outstanding at end of period		17,816,472		$	1.00

Summary Of Vesting Information For Stock Options [Table Text Block]

	Vesting Information
Options	Frequency	Begin Date	End Date
200,000	Quarterly	03/31/2015	12/31/2015
200,000	Annually	02/05/2016	02/05/2018
100,000	Monthly	04/30/2015	03/31/2016
38,356	Quarterly	07/15/2015	04/16/2016
350,000	Annually	06/01/2016	06/01/2018

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Options Outstanding						Options Exercisable
Number Outstanding		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
	200,000		9.63	$	0.66		100,000	$	0.66
	200,000		9.61	$	0.68		--	$	--
	7,233,277		3.50	$	0.70		7,233,277	$	0.70
	488,356		9.89	$	0.73		25,000	$	0.73
	3,405,134		6.19	$	0.83		3,405,134	$	0.83
	975,000		8.95	$	0.84		591,667	$	0.84
	60,000		1.00	$	1.00		60,000	$	1.00
	300,000		8.15	$	1.10		100,000	$	1.10
	300,000		7.99	$	1.15		183,333	$	1.15
	100,000		2.59	$	1.24		100,000	$	1.24
	115,000		5.74	$	1.35		115,000	$	1.35
	125,000		2.59	$	1.45		125,000	$	1.45
	330,000		6.45	$	1.55		330,000	$	1.55
	7,645		2.59	$	1.58		7,645	$	1.58
	3,077,060		7.40	$	1.66		3,077,060	$	1.66
	900,000		6.14	$	1.90		900,000	$	1.90
	17,816,472		5.63	$	1.02		16,353,116	$	1.02