Note 5 - Stock-Based Compensation (Details) - Summary of Option Activity (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Summary of Option Activity [Abstract]
Outstanding at January 1, 2013	429
Outstanding at January 1, 2013 (in Dollars per share)	$ 15.50
Forfeited	(2)
Forfeited (in Dollars per share)	$ 66.20
Outstanding at June 30, 2013	427
Outstanding at June 30, 2013 (in Dollars per share)	$ 15.30
Exercisable at June 30, 2013	393
Exercisable at June 30, 2013 (in Dollars per share)	$ 16.54