Note 9 - Income Taxes (Detail) - Effective Income Tax Rate Difference From Federal Statutory Rate (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Federal income tax benefit at statutory rate (in Dollars)	$ 1,279	$ 669
Federal income tax benefit at statutory rate	34.00%	34.00%
Permanent differences (in Dollars)	(150)	(197)
Permanent differences	(4.10%)	(10.00%)
International taxes and rate differentials and other (in Dollars)	(193)	(25)
International taxes and rate differentials and other	(5.00%)	(1.20%)
Effect of increase in valuation allowance for deferred tax assets (in Dollars)	(19,475)	(2,724)
Effect of increase in valuation allowance for deferred tax assets	(517.70%)	(138.40%)
(in Dollars)	$ (18,539)	$ (2,277)
	(492.80%)	(115.60%)