Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Common stock - par value (in dollars per share)	$ 0.01	$ 0.01
Common stock - shares authorized (in shares)	70,000,000	70,000,000
Common stock - shares issued (in shares)	17,876,016	17,681,274
Common stock - shares outstanding (in shares)	17,876,016	17,681,274