Note 7 - Investment in Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	June 30, 2014			December 31, 2013
Amortized cost	$	4,710,325		$	3,446,037
Gross Unrealized Gains (Losses)		(6,855	)		(65,173	)
Fair Value*	$	4,703,470		$	3,380,864