CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME [Abstract]
Net income (loss)	$ 1,737	$ (3,498)	$ (3,669)
Other comprehensive (loss) income :
Foreign currency translation adjustments	(15)	7	(12)
Less: Comprehensive income attributable to non-controlling interest	(3,377)	(2,335)	(3,506)
Comprehensive loss attributable to Telos Corporation	$ (1,655)	$ (5,826)	$ (7,187)