Kaleyra, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Additional Information (Details)

Notes Payable - Additional Information (Details)					9 Months Ended
Notes Payable - Additional Information (Details)	Jul. 02, 2020 USD ($)	May 01, 2020 USD ($) shares	Apr. 16, 2020 USD ($) d $ / shares	Nov. 25, 2019 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Notes payable due to related parties					$ 3,750,000		$ 9,411,000
Long-term portion of notes payable due to related parties					$ 3,750,000		7,500,000
Notes, interest rate description					Interest on the Convertible Notes will accrue at a fixed interest rate equal to the one-year US dollar LIBOR interest rate published in The Wall Street Journal on the Business Combination Date, plus a margin of one percent (1%) per annum. Interest will be due and payable annually on each of (1) the date which is the twelve-month anniversary of the Business Combination Date and (2) on the date which is the twenty-four-month anniversary of the Business Combination Date. All interest shall be computed on the basis of a 365-day year and the actual number of days elapsed.
Contractual Interest Rate, Percentage					1.00%
Outstanding principal balance					50.00%
Number of business days after the Company receives such Payoff Financing Proceeds					10 days
Percentage of remaining outstanding principal balance					100.00%
Notes converted description					Convertible Notes are not paid in full on or before the applicable Maturity Date, then at any time after the sixtieth business day after the Maturity Date, assuming payment in full has not been made prior to such date, the outstanding principal amount of these Notes, together with all accrued but unpaid interest on these Convertible Notes, may be converted into shares of Company common stock, in part or in whole, at the option of the holder of these Convertible Notes by providing written notice at least three business days prior to the date of conversion.
Repayment of notes payable					$ 11,478,000
Business combination transaction related costs				$ 13,100,000	2,700,000
Common stock value					3,000		$ 2,000
Warrants issued \| shares		0
Long-term portion of notes payable					2,700,000
Cowen Investments and Chardan
Debt Instrument [Line Items]
Aggregate settlement of investment shares \| shares		440,595
Debt instrument face amount		$ 2,700,000
Cowen Investments
Debt Instrument [Line Items]
Aggregate settlement of investment shares \| shares		374,506
Debt instrument face amount		$ 2,300,000			2,300,000
Conversion of common stock shares \| shares		303,171
Chardan
Debt Instrument [Line Items]
Aggregate settlement of investment shares \| shares		66,089
Loss on settlement		$ (200,000)
Debt instrument face amount		$ 405,000			$ 405,000
Conversion of common stock shares \| shares		53,501
Cowen and Company, LLC and Chardan Capital markets, LLC
Debt Instrument [Line Items]
Business combination transaction related costs			$ 5,400,000
Cowen and Company, LLC and Chardan Capital markets, LLC \| Resale Registration Statement
Debt Instrument [Line Items]
Common stock value			$ 2,700,000
Warrants exercise price \| $ / shares			$ 0.01
Beneficial ownership limitation percentage			4.99%
Settlement shares, threshold percentage			15.00%
Settlement shares, trailing days \| d			10
Maximum
Debt Instrument [Line Items]
Contractual Interest Rate, Percentage					7.60%
Proceeds from equity financing					$ 50,000,000.0
Cash received from payoff financing proceeds					$ 75,000,000.0
Minimum
Debt Instrument [Line Items]
Contractual Interest Rate, Percentage					0.60%
Other Current Liabilities \| Cowen Investments
Debt Instrument [Line Items]
Accrued interest					$ 34,000
Other Current Liabilities \| Chardan
Debt Instrument [Line Items]
Accrued interest					8,000
Convertible Notes
Debt Instrument [Line Items]
Notes payable					7,500,000
Notes payable due to related parties					3,750,000
Long-term portion of notes payable due to related parties					3,750,000
Convertible Notes \| Other Long-Term Liabilities
Debt Instrument [Line Items]
Accrued interest					186,000
Non-convertible Notes
Debt Instrument [Line Items]
Notes payable					$ 0
Notes, interest rate description					The Non-convertible Notes accrued interest at a fixed interest rate equal to LIBOR, which interest rate was one and ninety-one hundredths percent (1.91%), plus a margin of one percent (1%) per annum. As used herein, “LIBOR” means the one-year US Dollar LIBOR interest rate published in The Wall Street Journal on the Business Combination Date. All interest was computed on the basis of a 365-day year and the actual number of days elapsed.
Number of business days after the Company receives such Financing Proceeds					10 days
Notes, LIBOR interest rate					1.91%
Non-convertible Notes \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Contractual Interest Rate, Percentage					1.00%
Non-convertible Notes \| Maximum
Debt Instrument [Line Items]
Proceeds from equity financing					$ 11,500,000
Convertible Notes \| Cowen and Company, LLC and Chardan Capital markets, LLC \| Resale Registration Statement
Debt Instrument [Line Items]
Convertible notes			$ 2,700,000
Debt instrument, term			3 years
Repaid earlier interest rate issuance term			1 year
Repaid after interest rate issuance term			2 years
Interest rate			5.00%
Convertible notes, threshold percentage			5.00%
Convertible notes, trailing days \| d			10
Esse Effe S.p.A
Debt Instrument [Line Items]
Cash consideration				6,000,000.0
Esse Effe S.p.A \| Non-convertible Notes
Debt Instrument [Line Items]
Notes payable						$ 6,000,000.0
Repayment of notes payable	$ 6,000,000.0
Accrued interest paid	$ 105,000
Accrued interest						$ 105,000
Maya
Debt Instrument [Line Items]
Cash consideration				$ 1,500,000