Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.4.0.3
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2016
Dec. 31, 2015
Redeemable preferred stock, shares issued 2,224,000 2,150,000
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 959,552 972,214
Senior common stock, shares outstanding 959,552 972,214
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 38,500,000 38,500,000
Common stock, shares issued 22,550,111 22,485,607
Common stock, shares outstanding 22,550,111 22,485,607
Series A and B Preferred Stock [Member]    
Redeemable preferred stock, par value $ 0.001 $ 0.001
Redeemable preferred stock, liquidation preference $ 25 $ 25
Redeemable preferred stock, shares authorized 2,300,000 2,300,000
Redeemable preferred stock, shares issued 2,224,000 2,150,000
Redeemable preferred stock, shares outstanding 2,224,000 2,150,000
Mandatorily Redeemable Preferred Stock [Member] | Series C Preferred Stock [Member]    
Redeemable preferred stock, par value $ 0.001 $ 0.001
Redeemable preferred stock, liquidation preference $ 25 $ 25
Redeemable preferred stock, shares authorized 1,700,000 1,700,000
Redeemable preferred stock, shares issued 1,540,000 1,540,000
Redeemable preferred stock, shares outstanding 1,540,000 1,540,000