CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS [Abstract]
Net loss	[1]	$ (1,526)	$ (15,956)
Other comprehensive loss:
Change in foreign currency translation adjustment		264	(77)
Change in net unrealized gain (loss) on investments		(43)	50
Other comprehensive gain (loss)	[1]	221	(27)
Comprehensive loss		$ (1,305)	$ (15,983)

[1] Prior periods adjusted to reflect the impact of the one-for-three reverse stock split that became effective on January 20, 2017, as discussed in Note 1.