Basis of Presentation - Narrative (Details) $ / shares in Units, $ in Thousands				3 Months Ended
	Mar. 31, 2020 USD ($) $ / shares shares	Mar. 06, 2020 USD ($) $ / shares shares	Aug. 09, 2019 USD ($) shares	Mar. 31, 2020 USD ($) Segments $ / shares	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2018 USD ($)
Class of Stock [Line Items]
Cash and cash equivalents	$ 30,541			$ 30,541	$ 31,878	$ 12,074	$ 31,015
Working capital	$ (12,400)			$ (12,400)
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.001			$ 0.001		$ 0.001
Preferred stock issued during the period				$ 25,000	$ 0
Number of reportable segments | Segments				1
Series E Preferred Stock
Class of Stock [Line Items]
Issuance of shares (shares) | shares		25,000	10,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001		$ 0.001		$ 0.001
Preferred stock issued during the period		$ 25,000	$ 10,000
Convertible Debt | Inseego Notes
Class of Stock [Line Items]
Converted amount				$ 59,900
South Ocean Funding LLC | Series E Preferred Stock
Class of Stock [Line Items]
Issuance of shares (shares) | shares	2,330
LIBOR | Credit Agreement
Class of Stock [Line Items]
Applicable margin on interest rate				7.65%