Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

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Stockholders' Equity (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
 1 Months Ended 9 Months Ended
Mar. 31, 2011
Sep. 30, 2012
Nov. 01, 2012
Dec. 31, 2011
Dividends Payable [Line Items]        
Common stock, shares issued   10,945,379   10,945,379
Common stock, par value   $ 0.001   $ 0.001
Stockholders Equity (Textual) [Abstract]        
Maximum aggregate sales price of shares to be issued under open market sale agreement   $ 25.0    
Number of shares sold under open market sale agreement   192,365    
Net proceeds of shares sold under open market sale agreement   3.4 [1]    
Maximum remaining capacity to sell common stock under open market sale agreement   21.6 21.6  
Shares intended to be offered pursuant to primary offering 3,000,000      
Shares intended to be offered pursuant to senior common distribution reinvestment plan 500,000      
Open Market Sale Agreement [Member]
        
Dividends Payable [Line Items]        
Stock sales under the open market sale agreement   $ 0    
Senior Common Stock [Member]
        
Dividends Payable [Line Items]        
Common stock, shares issued 3,500,000      
Common stock, par value 0.001 [1]      
Common stock shares issued, selling price 15.00      
Shares of senior common stock sold in ongoing offering 76,875      
Shares of senior common stock issued 544      
[1] (1) Refer to Note 2 Related-Party Transactions