Note 14 - Employee Equity Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2013

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

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

	Number of shares			Weighted average exercise price (per share)		Weighted average remaining contractual term (in years)		Aggregate intrinsic value
Outstanding at December 31, 2011		11,158,000		$	0.37		2.52	$	-0-
Granted		425,000			0.12
Exercised		(265,000	)		0.20
Forfeited/cancelled/expired		(865,500	)		0.43
Outstanding at December 31, 2012		10,452,500			0.36		1.68	$	149,598
Granted		200,000			0.18
Exercised		(100,000	)		0.18
Forfeited/cancelled/expired		(4,377,500	)		0.43
Outstanding at September 30, 2013		6,175,000		$	0.30		1.72	$	133,165
Vested and exercisable at September 30, 2013		5,329,166		$	0.33		1.45	$	82,165

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

	Number of options vested		Fair value of options vested
Fair value of options vesting during the nine months ended September 30, 2013		593,833	$	62,204
Fair value of options vesting during the nine months ended September 30, 2012		691,333	$	70,383

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, 2013
			Outstanding						Vested
Strike price range ($)			Outstanding stock options		Weighted average remaining contractual life		Weighted average outstanding strike price		Vested stock options		Weighted average remaining vested contractual life		Weighted average vested strike price
0.00	to	0.20		3,111,000		2.29	$	0.15		2,365,166		1.97	$	0.16
0.21	to	0.29		1,025,000		1.44		0.25		925,000		1.08		0.25
0.30	to	0.49		395,000		0.52		0.46		395,000		0.52		0.46
0.50	to	0.70		1,644,000		1.12		0.59		1,644,000		1.12		0.59
0.00	to	0.70		6,175,000		1.72	$	0.30		5,329,166		1.45	$	0.33

	Awards breakdown by price range at December 31, 2012
			Outstanding						Vested
Strike price range ($)			Outstanding stock options		Weighted average remaining contractual life		Weighted average outstanding strike price		Vested stock options		Weighted average remaining vested contractual life		Weighted average vested strike price
0.00	to	0.20		3,428,500		3.02	$	0.15		2,035,083		2.50	$	0.17
0.21	to	0.29		2,550,000		1.18		0.26		2,550,000		1.18		0.26
0.30	to	0.49		755,000		0.79		0.45		755,000		0.79		0.45
0.50	to	0.70		3,719,000		0.97		0.60		3,719,000		0.97		0.60
0.00	to	0.70		10,452,500		1.68	$	0.36		9,059,083		1.36	$	0.39

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, 2013		September 30, 2012
Risk-free interest rate		.70%		0.37%
Expected dividend yield		0.0%		0.0%
Expected volatility		203.4%		186.6%
Expected life of options (in years)		5		5

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

	Weighted average grant date fair value
	2013		2012
Stock options granted during the nine month period ended September 30,	$	0.17	$	0.10
Stock options vested during the nine month period ended September 30,	$	0.10	$	0.10
Stock options forfeited during the nine month period ended September 30,	$	0.28	$	0.33

Schedule of Nonvested Share Activity [Table Text Block]

	Shares underlying stock options		Weighted average grant date fair value
Nonvested shares at January 1, 2013		1,393,417	$	0.10
Nonvested shares at September 30, 2013		845,834	$	0.12