Note 8 - Long Term Incentive Plan (Detail) - Summary of the Company’s Stock Options (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Outstanding at January 1, 2012	3,224,879
Outstanding at January 1, 2012 (in Dollars per share)	$ 2.34
Outstanding at December 31, 2012	4,294,273
Outstanding at December 31, 2012 (in Dollars per share)	$ 2.07
Outstanding at December 31, 2012	4 years 255 days
Outstanding at December 31, 2012 (in Dollars)	$ 19,266
Exercisable at December 31, 2012	2,551,124
Exercisable at December 31, 2012 (in Dollars per share)	$ 2.51
Exercisable at December 31, 2012	4 years 193 days
Exercisable at December 31, 2012 (in Dollars)	$ 2,610
Granted	1,576,574
Granted (in Dollars per share)	$ 1.45
Exercised	(1,667)
Exercised (in Dollars per share)	$ 0.86
Forfeited and cancelled	(505,513)
Forfeited and cancelled (in Dollars per share)	$ 1.75