Note 7 - Stockholders' Equity (Detail) (USD $)	3 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Stock Issued During Period, Shares, New Issues	13,400,000
Stock Issued During Period, Price Per Share (in Dollars per share)	$ 5.67
Net Proceeds from Issuance of Common Stock (in Dollars)	$ 71,800,000
Preferred Stock, Shares Outstanding		450,829	450,829
Wеightеd Avеragе Additional Common Sharеs Outstanding If Prеfеrrеd Sharеs Convеrtеd To Common Sharеs		147,812,786	147,812,786	147,812,786
Amount Used as Numerator in Calculating Conversion Shares (in Dollars)		$ 1,000
Convertible Preferred Stock, Conversion Price (in Dollars per share)		$ 3.05
Voting Power Limit		49.00%
Common Stock, Shares, Outstanding		213,245,488	198,563,273
Outstanding Common Stock and Preferred Stock Ownership Percentage		66.00%
Series B Preferred Stock [Member]
Preferred Stock, Shares Outstanding		450,829
Owned by MatlinPatterson [Member]
Common Stock, Shares, Outstanding		89,400,000