Note 10 - Income Taxes (Details) - Effective Income Tax Rate Difference From Federal Statutory Rate (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Effective Income Tax Rate Difference From Federal Statutory Rate [Abstract]
Federal income tax benefit at statutory rate (in Dollars)	$ 2,698	$ 1,279
Federal income tax benefit at statutory rate	34.00%	34.00%
Permanent items:
Nondeductible mark-to-market adjustment for contingent liability (in Dollars)	(1,047)
Nondeductible mark-to-market adjustment for contingent liability	(13.20%)
Nondeductible share based payments (in Dollars)	(464)
Nondeductible share based payments	(5.80%)
Nondeductible merger transaction costs (in Dollars)	(353)
Nondeductible merger transaction costs	(4.40%)
Other nondeductible items (in Dollars)	(43)	(150)
Other nondeductible items	(0.60%)	(4.10%)
Research and development credits (in Dollars)	(133)
Research and development credits	(1.70%)
International tax rate differentials (in Dollars)	(813)	(18)
International tax rate differentials	(10.30%)	(0.40%)
Other (in Dollars)	(310)	(175)
Other	(3.70%)	(4.60%)
Effect of increase in valuation allowance for deferred tax assets (in Dollars)	599	(19,475)
Effect of increase in valuation allowance for deferred tax assets	7.40%	(517.70%)
(in Dollars)	$ 134	$ (18,539)
	1.70%	(492.80%)

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to mark-to-market adjustment for contingent liability.