Net Loss Per Common Share - Reconciliation of Weighted-Average Shares Used for the Basic Computation and that Used for the Diluted Computation (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Basic Loss per Share
Net Loss Attributable to Common Shareholders	$ (1,002)	$ (846)
Number of basic shares	4,865	4,860
Basic Loss per share	$ (0.21)	$ (0.17)
Diluted Loss per Share
Net Loss Attributable to Common Shareholders	$ (1,002)	$ (846)
Number of diluted shares	4,865	4,860
Diluted Loss per Share	$ (0.21)	$ (0.17)
Net Income available to Common Shareholders	$ (999)	$ (843)