Note 13 - Stock-Based Compensation (Details) - Stock Option Activity (USD $)	9 Months Ended
	Sep. 30, 2013		Dec. 31, 2011
2012 Omnibus Incentive Plan [Member]
Note 13 - Stock-Based Compensation (Details) - Stock Option Activity [Line Items]
Outstanding			187,375
Outstanding (in Dollars per share)			$ 2.86
Outstanding	9 years 219 days
Exercisable at	106,375
Exercisable at (in Dollars per share)	$ 2.86
Exercisable at	8 years 255 days
Granted	914,000
Granted (in Dollars per share)	$ 1.89
Forfeited or expired	(43,500)
Forfeited or expired (in Dollars per share)	$ 3.21
Outstanding	1,057,875		187,375
Outstanding (in Dollars per share)	$ 2.01		$ 2.86
Outstanding	9 years 219 days
Outstanding (in Dollars)	$ 93,785
2006 Stock Incentive Plan [Member]
Note 13 - Stock-Based Compensation (Details) - Stock Option Activity [Line Items]
Outstanding	8,452,340	[1]
Outstanding (in Dollars per share)	$ 2.56	[1]
Outstanding	5 years 328 days	[2]
Exercisable at	5,968,883	[3]
Exercisable at (in Dollars per share)	$ 1.95	[3]
Exercisable at	5 years 109 days	[3]
Exercisable at (in Dollars)	3,362,457	[3]
Exercised	(122,685)	[4]
Exercised (in Dollars per share)	$ 1.00	[4]
Forfeited or expired	(849,872)
Forfeited or expired (in Dollars per share)	$ 4.56
Outstanding	7,479,783	[2]
Outstanding (in Dollars per share)	$ 2.38	[2]
Outstanding	5 years 328 days	[2]
Outstanding (in Dollars)	3,362,457	[2]
Non-Plan Option Activity [Member]
Note 13 - Stock-Based Compensation (Details) - Stock Option Activity [Line Items]
Outstanding	443,038
Outstanding (in Dollars per share)	$ 1.34
Outstanding	6 years 146 days
Exercisable at	443,038
Exercisable at (in Dollars per share)	$ 1.34
Exercisable at	6 years 146 days
Exercisable at (in Dollars)	208,228
Outstanding	443,038
Outstanding (in Dollars per share)	$ 1.34
Outstanding	6 years 146 days
Outstanding (in Dollars)	$ 208,228

[1] Includes 135,531 outstanding options to purchase common stock at a weighted average exercise price of $3.62 per share being held by consultants.

[2] Includes 115,531 options granted to purchase common stock at a weighted average exercise price of $4.08 per share being held by consultants.

[3] Includes 71,352 exercisable options to purchase common stock at a weighted average exercise price of $3.64 per share being held by consultants.

[4] Includes 20,000 outstanding options to purchase common stock at a weighted average exercise price of $1.00 per share being held by consultants.