Note 16 - Selected Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Quarterly Financial Information [Table Text Block]

	First Quarter		Second Quarter			Third Quarter		Fourth Quarter
Fiscal 2011:
Revenue	$	25,392,000	$	25,501,062		$	25,302,747	$	25,647,758
Operating income		5,320,713		7,326,611			6,124,154		5,858,617
Net income		4,654		1,283,277			885,462		24,025
Net income per common share	$	-	$	0.1		$	0.07	$	-
Fiscal 2012:
Revenue	$	25,374,241	$	24,713,773		$	24,427,896	$	23,888,322
Operating income (loss)		6,616,738		(148,061,028	)		6,487,374		5,563,331
Net income (loss)		818,238		(128,010,613	)		316,306		(23,496	)
Net income (loss) per common share	$	0.06	$	(9.68	)	$	0.02	$	-