Note 4 - Earnings (Loss) Per Common Share (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Series B Preferred Stock [Member]	Dec. 31, 2011 Series B Preferred Stock [Member]	Jun. 30, 2011 Series B Preferred Stock [Member]
Preferred Stock, Shares Outstanding					450,829	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	147,812,786