Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Serial preferred stock, par value	$ 0.01	$ 0.01
Serial preferred stock, authorized	500,000	500,000
Serial preferred stock, issued	9,266	9,266
Serial preferred stock, outstanding	9,266	9,266
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	5,000,000	5,000,000
Common stock, issued	2,192,958	2,192,958
Common stock, outstanding	1,790,599	1,790,599