CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue
Revenue	$ 34,943	$ 21,096	$ 67,344	$ 44,206
Costs and expenses
Total costs and expenses	22,865	13,705	45,034	28,372
Selling, general and administrative expenses	9,922	8,744	20,176	18,388
Operating income (loss)	2,156	(1,353)	2,134	(2,554)
Other income (expense)
Other income	3	2	7	6
Interest expense	(1,709)	(1,660)	(3,384)	(3,270)
Income (loss) before income taxes	450	(3,011)	(1,243)	(5,818)
Provision for income taxes (Note 7)	(6)	(139)	(65)	(318)
Net income (loss)	444	(3,150)	(1,308)	(6,136)
Less: Net income attributable to non-controlling interest (Note 2)	(531)	(239)	(765)	(352)
Net loss attributable to Telos Corporation	(87)	(3,389)	(2,073)	(6,488)
Service [Member]
Revenue
Revenue	30,885	18,402	59,672	38,097
Costs and expenses
Total costs and expenses	21,453	11,991	41,976	25,012
Product [Member]
Revenue
Revenue	4,058	2,694	7,672	6,109
Costs and expenses
Total costs and expenses	$ 1,412	$ 1,714	$ 3,058	$ 3,360