Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Statement - Consolidated Balance Sheets (Parenthetical) (Unaudited) [Line Items]
Preferred stock, par value	$ 0.10	$ 0.10
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	1,610,000	1,610,000
Preferred stock, shares outstanding	1,610,000	1,610,000
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	11,336,197	11,305,043
Common stock, shares outstanding	11,309,414	11,279,268