CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue
Revenue	$ 45,531	$ 34,695	$ 112,745	$ 102,039
Costs and expenses
Total costs and expenses	29,218	18,408	77,441	63,442
Selling, general and administrative expenses	10,637	9,851	31,432	30,027
Operating income	5,676	6,436	3,872	8,570
Other income (expense)
Other income	2	3	195	10
Interest expense	(1,970)	(1,717)	(5,470)	(5,101)
Income (loss) before income taxes	3,708	4,722	(1,403)	3,479
Benefit from income taxes (Note 7)	10	106	187	41
Net income (loss)	3,718	4,828	(1,216)	3,520
Less: Net income attributable to non-controlling interest (Note 2)	(1,485)	(715)	(1,705)	(1,480)
Net income (loss) attributable to Telos Corporation	2,233	4,113	(2,921)	2,040
Service [Member]
Revenue
Revenue	39,221	32,067	101,635	91,739
Costs and expenses
Total costs and expenses	26,594	17,143	71,988	59,119
Product [Member]
Revenue
Revenue	6,310	2,628	11,110	10,300
Costs and expenses
Total costs and expenses	$ 2,624	$ 1,265	$ 5,453	$ 4,323