Note 8 - Treasury Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended
	Aug. 31, 2013	Mar. 31, 2014	Dec. 31, 2012
Disclosure Text Block Supplement [Abstract]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased			10,000,000
Stock Repurchase Program, Additional Shares Authorized	10,000,000
Stock Repurchased During Period, Shares		12,034,101
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)		$ 0.136
Stock Repurchased During Period, Value (in Dollars)		$ 1,637