Note 11 - Fair Value Measurements (Details) - Projected Liabilities Based on Future Revenue (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Note 11 - Fair Value Measurements (Details) - Projected Liabilities Based on Future Revenue [Line Items]
Discount rate	9.00%
Minimum [Member]
Note 11 - Fair Value Measurements (Details) - Projected Liabilities Based on Future Revenue [Line Items]
Project revenue in 2016 (in Dollars)	$ 2.1
Probability of occurrence	20.00%
Maximum [Member]
Note 11 - Fair Value Measurements (Details) - Projected Liabilities Based on Future Revenue [Line Items]
Project revenue in 2016 (in Dollars)	$ 3.8
Probability of occurrence	50.00%