CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue
Revenue	$ 31,166	$ 32,401
Costs and expenses
Total costs and expenses	22,190	22,169
Selling, general and administrative expenses	10,358	10,254
Operating loss	(1,382)	(22)
Other income (expense)
Other income	5	4
Interest expense	(1,760)	(1,675)
Loss before income taxes	(3,137)	(1,693)
Benefit (provision) for income taxes (Note 9)	197	(59)
Net loss	(2,940)	(1,752)
Less: Net income attributable to non-controlling interest (Note 2)	(473)	(234)
Net loss attributable to Telos Corporation	(3,413)	(1,986)
Service [Member]
Revenue
Revenue	28,037	28,787
Costs and expenses
Total costs and expenses	20,191	20,523
Product [Member]
Revenue
Revenue	3,129	3,614
Costs and expenses
Total costs and expenses	$ 1,999	$ 1,646