Computation of Basic and Diluted Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Numerator
Basic and diluted loss	$ (375)	$ (201)	$ (929)	$ (1,062)
Denominator
Basic and diluted earnings per share - weighted average shares outstanding	14,276	8,631	14,169	6,145
Effect of dilutive securities
Basic and diluted loss per common share	$ (0.03)	$ (0.02)	$ (0.07)	$ (0.17)