Note 14 - Intangible assets, net (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Amortization of Intangible Assets	$ 1,046,000	$ 461,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	1,022,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	982,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 496,000