Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2017	Dec. 31, 2016	[1]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	2,445,598	2,445,598
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	47,000,000	47,000,000
Common stock, shares issued (in shares)	20,680,717	20,680,717
Treasury stock, shares (in shares)	24,877	37,877

[1] See Note 2 Correction of Prior Period Financial Statements.