Note 12 - Income Taxes (Detail) (USD $)	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Operating Loss Carryforwards		$ 2,400,000
Tax Credit Carryforward, Amount		355,000
Unrecognized Tax Benefits	313,000	308,000
Unrecognized Tax Benefits, Period Increase (Decrease)	5,000
Foreign Tax Credit [Member]
Tax Credit Carryforward, Amount		$ 2,100,000