CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Total revenue	$ 216,887	$ 242,433	$ 179,917
Total cost of sales	137,844	156,404	117,497
Gross profit	79,043	86,029	62,420
Selling, general and administrative expenses:
Sales and marketing	16,582	19,655	6,176
Research and development	16,918	19,096	14,243
General and administrative	99,393	88,742	41,704
Total selling, general and administrative expenses	132,893	127,493	62,123
Operating (loss)/income	(53,850)	(41,464)	297
Other income/(expense)	1,350	(921)	(255)
Interest expense	(874)	(777)	(7,259)
Gain on redemption of public preferred stock	0	0	14,012
(Loss)/income before income taxes	(53,374)	(43,162)	6,795
(Provision for)/benefit from income taxes	(54)	28	46
Net (loss)/income	(53,428)	(43,134)	6,841
Less: Net income attributable to non-controlling interest	0	0	(5,154)
Net (loss)/income attributable to Telos Corporation	$ (53,428)	$ (43,134)	$ 1,687
Net (loss)/earnings per share:
Basic (in dollars per share)	$ (0.79)	$ (0.65)	$ 0.04
Diluted (in dollars per share)	$ (0.79)	$ (0.65)	$ 0.04
Weighted-average share outstanding:
Basic (in shares)	67,559	66,374	41,642
Diluted (in shares)	67,559	66,374	42,877
Services
Total revenue	$ 192,742	$ 221,548	$ 161,180
Total cost of sales	121,334	143,357	106,969
Products
Total revenue	24,145	20,885	18,737
Total cost of sales	$ 16,510	$ 13,047	$ 10,528