Consolidated Balance Sheets (Parentheticals) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Stockholders' Equity:
Blank check preferred stock, par value	$ 0.01	$ 0.01
Blank check preferred stock, authorized shares	5,000,000	5,000,000
Blank check preferred stock, issued shares	0.00	0.00
Blank check preferred stock, outstanding shares	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized shares	75,000,000	75,000,000
Common stock, issued shares	27,912,198	26,573,023
Common stock, outstanding shares	27,903,705	26,573,023