Goodwill	3 Months Ended
	Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	GoodwillThe goodwill balance was $17.9 million as of March 31, 2022 and December 31, 2021, of which $3.0 million is allocated to the Security Solutions segment and $14.9 million is allocated to the Secure Networks segment. Goodwill is subject to annual impairment tests and in the interim, if triggering events are present before the annual tests, we will assess impairment. For the three months ended March 31, 2022 and 2021, no impairment charges were taken.