Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Mandatorily Redeemable Preferred Stock [Member]
Series C Preferred Stock [Member]
Dec. 31, 2012
Mandatorily Redeemable Preferred Stock [Member]
Series C Preferred Stock [Member]
Redeemable preferred stock, par value $ 0.001 $ 0.001 $ 0.001 $ 0.001
Redeemable preferred stock, liquidation preference $ 25 $ 25 $ 25 $ 25
Redeemable preferred stock, shares authorized 2,300,000 2,300,000 1,700,000 1,700,000
Redeemable preferred stock, shares issued 2,150,000 2,150,000 1,540,000 1,540,000
Redeemable preferred stock, shares outstanding 2,150,000 2,150,000 1,540,000 1,540,000
Senior common stock, par value $ 0.001 $ 0.001    
Senior common stock, shares authorized 7,500,000 7,500,000    
Senior common stock, shares issued 374,484 179,511    
Senior common stock, shares outstanding 374,484 179,511    
Common stock, par value $ 0.001 $ 0.001    
Common stock, shares authorized 38,500,000 38,500,000    
Common stock, shares issued 15,662,414 11,083,584    
Common stock, shares outstanding 15,662,414 11,083,584