Note 1 - Description of Business and Basis of Presentation (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Oct. 31, 2012
Contract Services Revenue Percentage		5.00%	50.00%	33.00%
Net Income (Loss) Attributable to Parent	$ (17,986,000)	$ (19,933,000)
Stockholders' Equity Attributable to Parent	36,556,000	53,473,000	17,298,000
Restricted Cash and Cash Equivalents, Noncurrent	11,803,000
Other Commitment					167,000,000
Stockholders' Equity, Reverse Stock Split	one-for-six
Subsequent Event [Member]
Other Commitment	$ 3,000,000