Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Useful Lives By Asset Category	12 Months Ended
	Dec. 31, 2014
Office Equipment [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Useful Lives By Asset Category [Line Items]
Useful life	3 years
Software and Software Development Costs [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Useful Lives By Asset Category [Line Items]
Useful life	3 years
Leasehold Improvements [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Useful Lives By Asset Category [Line Items]
Leasehold improvements	Shorter of lease term or estimated useful life
Equipment [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Useful Lives By Asset Category [Line Items]
Useful life	2 years
Computer Equipment [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Useful Lives By Asset Category [Line Items]
Useful life	5 years
Lab Equipment [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Useful Lives By Asset Category [Line Items]
Useful life	5 years
Furniture and Fixtures [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Useful Lives By Asset Category [Line Items]
Useful life	7 years