Note 8 - Common Stock (Details) - Restricted Stock Activity (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restricted Stock Activity [Abstract]
Restricted Stock Shares	62	112	226
Weighted Average Grant Date Value	$ 3.21	$ 3.17	$ 2.67
Restricted Stock Shares, Granted	0	9
Weighted Average Grant Date Value, Granted	$ 0	$ 5.72
Restricted Stock Shares, Vested	(40)	(49)
Weighted Average Grant Date Value, Vested	$ 3.08	$ 3.35
Restricted Stock Shares, Cancelled/Forfeited	(10)	(74)
Weighted Average Grant Date Value, Cancelled/Forfeited	$ 3.35	$ 1.82