Consolidated Balance Sheets (Parentheticals) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Interest Payable, Current		$ 13,208
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	20,000	20,000
Preferred stock, shares issued (in shares)	500	10,375
Preferred stock, outstanding (in shares)	500	10,375
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	2,610,568	1,056,723
Common stock, outstanding (in shares)	2,610,568	1,056,723
Treasury stock, shares (in shares)		566