Note 18 - Warrants (Detail) - Warrants issued and outstanding (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Warrants Outstanding [Member] | Begining Balance [Member]
Balance	2,363,456
Balance (in Dollars per share)	$ 3.52
Balance	1 year 229 days
Balance	1 year 229 days
Warrants Outstanding [Member] | Ending Balance [Member]
Balance	1 year 142 days
Balance	2,363,456
Balance (in Dollars per share)	$ 3.52
Balance	1 year 142 days
Warrants Exercisable [Member] | Begining Balance [Member]
Balance	2,363,456
Balance (in Dollars per share)	$ 3.52
Balance	1 year 229 days
Balance	1 year 229 days
Warrants Exercisable [Member] | Ending Balance [Member]
Balance	1 year 142 days
Balance	2,363,456
Balance (in Dollars per share)	$ 3.52
Balance	1 year 142 days