Debt for Forward Share Purchase Agreements - Additional Information (Details)

v3.20.2

Debt for Forward Share Purchase Agreements - Additional Information (Details) - USD ($)																				3 Months Ended		6 Months Ended	9 Months Ended
	Aug. 30, 2020	Jul. 21, 2020	Jul. 18, 2020	Jun. 04, 2020	May 20, 2020	May 19, 2020	May 11, 2020	May 09, 2020	May 07, 2020	Apr. 07, 2020	Feb. 21, 2020	Feb. 20, 2020	Feb. 07, 2020	Jan. 07, 2020	Dec. 13, 2019	Nov. 25, 2019	Nov. 19, 2019	Oct. 31, 2019	Oct. 01, 2019	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019	May 18, 2020	Jan. 23, 2020
Debt Instrument [Line Items]
Financial expense																				$ (468,000)	$ (141,000)		$ (1,027,000)	$ (206,000)
Forward Share Purchase Agreements
Debt Instrument [Line Items]
Debt Instrument, carrying amount																				480,000			480,000
Accrued interest																				508,000			508,000
Forward Share Purchase Agreements | Greenhaven
Debt Instrument [Line Items]
Business combination, share price	$ 11.70										$ 11.00	$ 11.00
Business combination, shares acquired	700,000
Business combination payment for stock purchased												$ 152,000
Business combination payment for number of stock purchased												60,996
Business combination, payment for aggregate difference of sale price per share and share price																						$ 832,000
Closing of business combination share consideration																						539,548
Forward Share Purchase Agreements | Greenhaven | Common Stock
Debt Instrument [Line Items]
Repurchases of common stock, shares												235,169
Repurchases of common stock, value												$ 2,600,000
Forward Share Purchase Agreements | Greenhaven | Maximum
Debt Instrument [Line Items]
Business combination, shares acquired											248,963
Forward Share Purchase Agreements | Greenhaven Road Capital Fund1 L P
Debt Instrument [Line Items]
Debt Instrument, carrying amount			$ 7,000,000.0																	0			0
Business combination, share price			$ 11.70
Business combination, shares acquired	100,000
Business combination payment for stock purchased		$ 7,000,000.0
Business combination, payment for aggregate difference of sale price per share and share price																						$ 832,000
Closing of business combination share consideration		100,000	539,548
Business combination, purchase price			$ 6,200,000
Forward Share Purchase Agreements | Yakira
Debt Instrument [Line Items]
Debt Instrument, carrying amount																				480,000			$ 480,000
Business combination, share price							$ 10.6819
Closing of business combination share consideration							1,084,150
Business combination, purchase price							$ 11,600,000
Deposited in escrow account							$ 4,000
Forward Share Purchase Agreements | Yakira | Yakira Rights Shares
Debt Instrument [Line Items]
Business combination, share price																	$ 1.05
Closing of business combination share consideration																	439,299
Purchase price per share																	$ 10.50
Forward Share Purchase Agreements | Yakira | Yakira Shares
Debt Instrument [Line Items]
Sale of stock price per unit																	$ 10.5019
Closing of business combination share consideration																	1,084,150
Sale of stock description																							Yakira had the right to sell the Yakira Shares between the four-month anniversary and six-month anniversary of the Business Combination Date to the Company for a per share price (the “Yakira Shares Purchase Price”) equal to (a) $10.5019, plus (b) $0.03 per share for each month (prorated for a partial month) following the Business Combination Date that Yakira has held the Yakira Shares.
Sale of stock basis spread per month on price per share																	$ 0.03
Deposited in escrow account																	$ 11,600,000
Forward Share Purchase Agreements | Yakira | Minimum | Yakira Shares
Debt Instrument [Line Items]
Sale of stock price per unit																	$ 10.50
Forward Share Purchase Agreements | Kepos Alpha Fund L.P.
Debt Instrument [Line Items]
Business combination, share price					$ 10.92					$ 10.92
Business combination, shares acquired																			3,750,000
Closing of business combination share consideration					25,098					50,000
Business combination, purchase price					$ 274,000					$ 546,000															$ 706,000
Percentage of increase in share purchase price									1.00%
Forward Share Purchase Agreements | Glazer Capital, LLC
Debt Instrument [Line Items]
Business combination, share price																	$ 10.6819
Business combination, shares issued description																							Glazer shall notify the Company in writing five business days prior to the six month anniversary of the Business Combination Date if it is not exercising its right to sell the Glazer Shares to the Company; otherwise, absent written notification to the contrary, Glazer shall be deemed to have exercised its right to sell all of its Glazer Shares to the Company. The Company will purchase the Glazer Shares from Glazer on the six-month anniversary of the closing of the Business Combination (the “Glazer Shares Closing Date”). As of the Business Combination Date, Glazer held 922,933 shares of common stock.
Business combination of closing period																	6 months
Business combination, deposited in to escrow account																	$ 9,900,000
Business combination of sale business days																	3 days
Forward Share Purchase Agreements | Glazer Capital, LLC | Letter of Credit
Debt Instrument [Line Items]
Business combination, share price						$ 10.6819
Closing of business combination share consideration						864,093
Business combination, purchase price						$ 9,200,000
Line of credit facility, expiration date														Jun. 15, 2020
Forward Share Purchase Agreements | Glazer Capital, LLC | Letter of Credit and Reimbursement Agreement
Debt Instrument [Line Items]
Agreement collateral amount														$ 9,300,000
Forward Share Purchase Agreements | Glazer Capital, LLC | Common Stock
Debt Instrument [Line Items]
Closing of business combination share consideration																	922,933
Forward Share Purchase Agreements | Nomura Global Financial Products
Debt Instrument [Line Items]
Business combination, share price																		$ 10.50
Prepayment amount transferred to NGFP																$ 17,000,000.0
Number of days notice required for termination of agreement																		10 days
Debt instrument interest rate percentage before original valuation date																		2.75%
Debt instrument interest rate percentage after original valuation date				3.50%														3.50%
Debt instrument extended valuation date				Nov. 25, 2021
Financial expense																				150,000			$ 461,000
Forward Share Purchase Agreements | Nomura Global Financial Products | Other Long-Term Liabilities
Debt Instrument [Line Items]
Accrued interest																				$ 508,000			$ 508,000
Forward Share Purchase Agreements | Nomura Global Financial Products | Common Stock
Debt Instrument [Line Items]
Business acquisition number of shares held																		1,623,000
Forward Share Purchase Agreements | Nomura Global Financial Products | Maximum | Common Stock
Debt Instrument [Line Items]
Closing of business combination share consideration																		2,000,000
Forward Share Purchase Agreements | Open Market | Greenhaven
Debt Instrument [Line Items]
Business combination, share price																										$ 11.70
Business combination, shares acquired																						160,452
Number of days notice required for sale of shares under minimum block size condition															3 days
Exercise price of warrants, description																							In the event that Greenhaven sells any shares (including any Additional Shares), at a sale price of less than $10.50, and provided that Greenhaven meets the Minimum Block Size Condition, it shall provide notice to the Company within three (3) Business Days of such sale, and such notice shall include the date of the sale, the number of shares sold, and confirmation that the sale price per share was greater than $8.50, and the Company shall pay Greenhaven in accordance with Greenhaven’s written instructions an amount equal to (x) the number of shares (including any Additional Shares) sold multiplied by (y) the amount by which $10.50 exceeds the sale price per share. Furthermore, the parties agreed that nothing in the Greenhaven Purchase Agreement shall prohibit Greenhaven from entering into a contract to purchase and/or sell warrants of Kaleyra, Inc.
Sale of stock price per unit																										$ 8.50
Forward Share Purchase Agreements | Open Market | Greenhaven | Minimum
Debt Instrument [Line Items]
Business combination, share price															$ 10.50
Number of additional rights acquired under minimum block size condition															25,000
Exercise price of warrants under minimum block size condition															$ 8.50
Forward Share Purchase Agreements | Open Market | Kepos Alpha Fund L.P.
Debt Instrument [Line Items]
Number of days notice required for sale of shares under minimum block size condition															3 days
Exercise price of warrants, description																							In the event that KAF sells any shares (including any Additional Shares), at a sale price of less than $10.50, and provided that KAF meets the Minimum Block Size Condition, it shall provide notice to the Company within three (3) Business Days of such sale, and such notice shall include the date of the sale, the number of shares sold, and confirmation that the sale price per share was greater than $8.50, and the Company shall pay KAF in accordance with KAF’s written instructions an amount equal to (x) the number of shares (including any Additional Shares) sold multiplied by (y) the amount by which $10.50 exceeds the sale price per share. Furthermore, the parties agreed that nothing in the KAF Purchase Agreement shall prohibit KAF from entering into a contract to purchase and/or sell warrants of the Company.
Sale of stock price per unit										$ 7.00
Business combination, purchase price																									$ 431,000
Forward Share Purchase Agreements | Open Market | Kepos Alpha Fund L.P. | Minimum
Debt Instrument [Line Items]
Business combination, share price															$ 10.50
Exercise price of warrants under minimum block size condition															$ 8.50
Sale of stock price per unit																									$ 7.00
Forward Share Purchase Agreements | Open Market | Glazer Capital, LLC
Debt Instrument [Line Items]
Number of days notice required for sale of shares under minimum block size condition															3 days
Exercise price of warrants, description																							Glazer shall give written notice to the Company of any sale of shares (including any Additional Shares) within three (3) Business Days following the date of such sale, and such notice shall include the date of the sale, the number of shares sold, and confirmation that the sale price per share was greater than $10.50 per share (or greater than $8.50 per Share provided that Glazer meets the Minimum Block Size Condition) prior to the payment of any commissions due by Glazer for the sale.
Forward Share Purchase Agreements | Open Market | Glazer Capital, LLC | Minimum
Debt Instrument [Line Items]
Business combination, share price															$ 10.50
Exercise price of warrants under minimum block size condition															8.50
Forward Share Purchase Agreements, First right
Debt Instrument [Line Items]
Business combination, share price															$ 11.00
Business combination, shares acquired															196,195
Forward Share Purchase Agreements, Second Right
Debt Instrument [Line Items]
Business combination, share price															$ 10.70
Business combination, shares acquired															250,000
Forward Share Purchase Agreements, Third Right
Debt Instrument [Line Items]
Business combination, share price															$ 10.50
Business combination, shares acquired															550,000
Yakira First Amended Purchase Agreement | Yakira | Yakira Rights Shares
Debt Instrument [Line Items]
Business combination, share price													$ 10.93				$ 10.50
Business combination, number of shares expected to be purchase													43,930
Yakira Second Amended Purchase Agreement | Yakira
Debt Instrument [Line Items]
Number of rights shares to be purchased								43,930
Forward Share Purchase Agreements, First Right Additional Purchase | Kepos Alpha Fund L.P.
Debt Instrument [Line Items]
Business combination, share price															$ 10.70
Business combination, shares acquired															102,171
Forward Share Purchase Agreements, Second Right Additional Purchase | Kepos Alpha Fund L.P.
Debt Instrument [Line Items]
Business combination, share price															$ 10.50
Business combination, shares acquired															93,676
Forward Share Purchase Agreement Fourth Right | Kepos Alpha Fund L.P.
Debt Instrument [Line Items]
Business combination, share price									$ 10.92
Business combination, shares acquired									46,137	46,137
Forward Share Purchase Agreement Fifth Right | Kepos Alpha Fund L.P.
Debt Instrument [Line Items]
Business combination, share price									$ 10.82	$ 10.82
Business combination, shares acquired									93,676	93,676
Forward Share Purchase Agreement Sixth Right | Kepos Alpha Fund L.P. | Maximum
Debt Instrument [Line Items]
Business combination, share price										$ 10.92