Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Stockholders' equity:
Preferred stock, par value
Preferred stock, authorized shares	5,000,000	5,000,000
Preferred stock, issued shares	20,625	20,625
Preferred stock, outstanding shares	20,625	20,625
Common stock, par value
Common stock, authorized shares	25,000,000	25,000,000
Common stock, issued shares	19,516,589	19,516,589
Common stock, outstanding shares	19,516,589	19,516,589