Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Series A Preferred Stock [Member]
Preferred stock, authorized (in shares)	870	870
Preferred stock, issued (in shares)	750	750
Preferred stock, outstanding (in shares)	750	750
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	9,999,000	9,999,000
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares issued (in shares)	16,608,000	16,597,000
Common stock, shares outstanding (in shares)	16,608,000	16,597,000