Annual report pursuant to Section 13 and 15(d)

(Loss) Earnings Per Share of Common Stock - Computation of Basic and Diluted Earnings (Loss) Per Common Share (Detail)

v3.8.0.1
(Loss) Earnings Per Share of Common Stock - Computation of Basic and Diluted Earnings (Loss) Per Common Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Earnings Per Share [Abstract]                      
Net (loss) income attributable to the Company $ (189) $ (221) $ 227 $ 152 $ 74 $ 32 $ 108 $ 234 $ (31) $ 448 $ 569
Weighted average common shares outstanding - basic and diluted (in shares) 13,666,560 12,271,925 11,850,624 10,395,736 10,024,875 10,018,331 9,992,941 9,992,941 12,055,791 10,007,350 8,639,397
Basic and diluted earnings (loss) per common share (in dollars per share) $ (0.01) $ (0.02) $ 0.02 $ 0.01 $ 0.01 $ 0.00 $ 0.01 $ 0.02 $ 0.00 $ 0.04 $ 0.07
Weighted average number of operating partnership units held by non-controlling interest (in shares)         1,358,790         766,351 0
Operating partnership units held by anyone other than company (in shares)                     854,116