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Debt - Term Loan (Details) - USD ($) $ in Thousands			6 Months Ended
	Aug. 23, 2017	May 08, 2017	Jun. 30, 2018	Jun. 30, 2017	Jan. 09, 2017
Debt Instrument [Line Items]
Proceeds from term loans			$ 0	$ 18,000
Term Loan
Debt Instrument [Line Items]
Principal		$ 20,000
Proceeds from term loans		18,000
Debt issuance costs		400
Debt discount on term loan		$ 2,000
Secured Debt | Term Loan
Debt Instrument [Line Items]
Effective interest rate			13.45%
Principal	$ 48,000
Proceeds from term loans	46,900
Proceeds from issuance of debt, portion funded in cash	35,000
Debt issuance costs	500
Debt discount on term loan	$ 4,000
Secured Debt | Term Loan | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Applicable margin on interest rate	7.625%
Secured Debt | Term Loan | London Interbank Offered Rate (LIBOR) | Minimum
Debt Instrument [Line Items]
Stated interest rate of debt issued	1.00%
Convertible Debt
Debt Instrument [Line Items]
Effective interest rate			15.82%
Convertible Debt | Inseego Notes
Debt Instrument [Line Items]
Principal					$ 119,800
Proceeds from issuance of debt, portion funded in repurchase and cancellation of debt	$ 11,900
Extinguishment of debt, amount	$ 14,900
Stated interest rate of debt issued					5.50%

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Proceeds From Issuance Of Debt, Portion Funded In Cash

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Proceeds From Issuance Of Debt, Portion Funded In Repurchase And Cancellation Of Debt

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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Contractual interest rate for funds borrowed, under the debt agreement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount, after accumulated amortization, of debt discount.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

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-Name Accounting Standards Codification
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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

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Gross amount of debt extinguished.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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