Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of Changes in Stockholders' Equity (Detail)

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Stockholders' Equity - Summary of Changes in Stockholders' Equity (Detail) (USD $)
3 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Common Stock [Member]
Dec. 31, 2013
Common Stock [Member]
Jun. 30, 2014
Additional Paid-in Capital [Member]
Dec. 31, 2013
Additional Paid-in Capital [Member]
Jun. 30, 2014
Retained Earnings (Distributions in Excess of Earnings) [Member]
Class of Stock [Line Items]                  
Beginning balance, Shares         6,530,264 6,530,264      
Beginning balance, Par Value     $ 48,511,992   $ 6,530 $ 6,530 $ 51,326,262 $ 51,326,262 $ (2,820,800)
Net loss (301,094) 30,356 (280,176) 77,872         (280,176)
Distributions     (1,175,447)           (1,175,447)
Ending balance, Shares         6,530,264 6,530,264      
Ending balance, Par Value $ 47,056,369   $ 47,056,369   $ 6,530 $ 6,530 $ 51,326,262 $ 51,326,262 $ (4,276,423)