Note 6 - Litigation (Details) (O2 Micro [Member], USD $)			1 Months Ended
	May 30, 2012 Attorney Fees [Member]	May 30, 2012 Taxable Costs [Member]	Mar. 31, 2014	Nov. 30, 2013	Dec. 31, 2013
Note 6 - Litigation (Details) [Line Items]
Gain Contingency, Unrecorded Amount	$ 9,100,000	$ 300,000
Proceeds from Legal Settlements				9,500,000
Loss Contingency, Estimate of Possible Loss					9,500,000
Litigation Benefit, Net			9,500,000
Litigation Settlement, Expense			$ 500,000