Note 5 - Investment Securities - Available For Sale (Tables)

3 Months Ended

Mar. 31, 2013

Available-for-sale Securities [Table Text Block]

	March 31, 2013				December 31, 2012
	Cost		Fair Value		Cost		Fair Value
Corporate bond maturities
Within 3 months	$	3,108,805	$	3,003,280	$	3,053,740	$	3,002,350
Between 3-12 months		22,252,626		22,199,595		5,110,487		5,035,270
Total	$	25,361,431	$	25,202,875	$	8,164,227	$	8,037,620

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

	March 31, 2013					December 31, 2012
Description of Securities	Fair Value		Gross Unrealized Holding Losses			Fair Value		Gross Unrealized Holding Gains
Available for Sale
Bonds – corporate issuances (all unrealized holding losses are less than 12 months at date of measurement)	$	25,202,875	$	(158,556	)	$	8,037,620	$	(126,607	)

Investment Income [Table Text Block]

	Three Months Ended March 31,
	2013			2012
Interest and dividend income	$	70,303		$	133,893
Realized losses		(53,740	)		(128,560	)
	$	16,563		$	5,333