Note 14 - Employee Equity Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

						Weighted
				Weighted		average
				average		remaining
	Number of			exercise price		contractual term		Aggregate
	shares			(per share)		(in years)		intrinsic value
Outstanding at December 31, 2012		10,452,500		$	0.36		1.68	$	149,598
Granted		350,000			0.17
Exercised		(100,000	)		0.18
Forfeited/cancelled/expired		(4,957,500	)		0.42
Outstanding at December 31, 2013		5,745,000			0.29		1.70	$	93,945
Granted		150,000			0.16
Exercised		-0-			-0-
Forfeited/cancelled/expired		(1,213,500	)		0.54
Outstanding at September 30, 2014		4,681,500		$	0.23		1.35	$	115,650
Vested and exercisable at September 30, 2014		4,281,500		$	0.23		1.10	$	108,475

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]

	Number of options		Fair value of
	vested		options vested
Fair value of options vesting during the nine months ended September 30, 2014		570,834	$	66,389
Fair value of options vesting during the nine months ended September 30, 2013		593,833	$	62,204

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

Awards breakdown by price range at September 30, 2014
			Outstanding						Vested
											Weighted
					Weighted		Weighted				average
					average		average				remaining		Weighted
Strike price			Outstanding		remaining		outstanding		Vested stock		vested		average vested
range ($)			stock options		contractual life		strike price		options		contractual life		strike price
0.00	to	0.20		3,302,500		1.55	$	0.15		2,952,500		1.25	$	0.15
0.21	to	0.29		600,000		1.18		0.24		550,000		0.95		0.25
0.30	to	0.49		80,000		0.23		0.38		80,000		0.23		0.38
0.50	to	0.70		699,000		0.68		0.55		699,000		0.68		0.55
0.00	to	0.70		4,681,500		1.35	$	0.23		4,281,500		1.10	$	0.23

Awards breakdown by price range at December 31, 2013
			Outstanding						Vested
											Weighted
					Weighted		Weighted				average
					average		average				remaining		Weighted
Strike price			Outstanding		remaining		outstanding		Vested stock		vested		average vested
range ($)			stock options		contractual life		strike price		options		contractual life		strike price
0.00	to	0.20		3,251,000		2.16	$	0.15		2,530,166		1.86	$	0.16
0.21	to	0.29		750,000		1.64		0.25		650,000		1.20		0.25
0.30	to	0.49		110,000		0.98		0.38		110,000		0.98		0.38
0.50	to	0.70		1,634,000		0.87		0.59		1,634,000		0.87		0.59
0.00	to	0.70		5,745,000		1.70	$	0.29		4,924,166		1.42	$	0.32

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

	Stock option assumptions for the nine months ended
Stock option assumptions	September 30, 2014		September 30, 2013
Risk-free interest rate		0.93%		0.70%
Expected dividend yield		0.0%		0.0%
Expected volatility		199.0%		203.4%
Expected life of options (in years)		5		5

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

	Weighted average grant date fair value
	2014		2013
Stock options granted during the nine month period ended September 30,	$	0.16	$	0.17
Stock options vested during the nine month period ended September 30,	$	0.12	$	0.10
Stock options forfeited during the nine month period ended September 30,	$	0.43	$	0.28

Schedule of Nonvested Share Activity [Table Text Block]

	Shares underlying stock		Weighted average grant
	options		date fair value
Nonvested shares at January 1, 2014		820,834	$	0.13
Nonvested shares at September 30, 2014		400,000	$	0.16