Note 8 - Income (Loss) Per Common Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended June 30,					Six Months Ended June 30,
	2012			2013		2012			2013
	(restated)					(restated)
Weighted average of common shares outstanding		2,644,281			2,826,040		2,644,281			2,735,663
Net income (loss)	$	(128,010,613	)	$	109,648,222	$	(127,192,375	)	$	107,874,201
Net income (loss) per common share	$	(48.41	)	$	38.80	$	(48.10	)	$	39.43