Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Common stock, shares authorized	60,000,000	60,000,000	[1]
Common stock, shares issued	47,129,621	46,748,575	[1]
Common stock, shares outstanding	47,129,621	46,748,575	[1]

[1] Derived from the audited December 31, 2013 financial statements