Note 5 - Income (Loss) Per Common Share (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

	Three Months Ended March 31,
	2012		2013
Common shares outstanding		13,221,404		13,221,404
Net income (loss)	$	818,238	$	(1,774,021	)
Net income (loss) per common share	$	0.06	$	(0.13	)