CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue
Revenue	$ 38,980	$ 31,166
Costs and expenses
Total costs and expenses	26,738	22,190
Selling, general and administrative expenses	11,839	10,358
Operating income (loss)	403	(1,382)
Other income (expense)
Other income	8	5
Interest expense	(2,017)	(1,760)
Loss before income taxes	(1,606)	(3,137)
Benefit from income taxes (Note 7)	146	197
Net loss	(1,460)	(2,940)
Less: Net income attributable to non-controlling interest (Note 2)	(784)	(473)
Net loss attributable to Telos Corporation	(2,244)	(3,413)
Service [Member]
Revenue
Revenue	34,558	28,037
Costs and expenses
Total costs and expenses	24,865	20,191
Product [Member]
Revenue
Revenue	4,422	3,129
Costs and expenses
Total costs and expenses	$ 1,873	$ 1,999