Income Taxes (Tables)

3 Months Ended

Mar. 31, 2020

Income Taxes.

Schedule of Domestic and Foreign Loss Before Income Taxes

	Year ended
	December 31,
	2019		2018		2017
Domestic	$	(27,916)	$	(32,688)	$	(18,858)
Foreign		(5,463)		(3,373)		(172)
	$	(33,379)	$	(36,061)	$	(19,030)

Schedule of Components of Income Taxes

	Year ended
	December 31,
	2019		2018		2017
Domestic	$	—	$	—	$	—
Foreign		160		—		294
	$	160	$	—	$	294

Schedule of Reconciliation Tax Benefit at Israeli Statutory Tax Rate

	Year ended
	December 31,
	2019			2018			2017
Loss before income taxes	$	(33,379)		$	(36,061)		$	(19,030)
Statutory tax rate		23	%		23	%		24	%
Theoretical tax benefit		7,677			8,294			4,567
Increase (decrease) in effective tax rate due to:
Change in valuation allowance		(4,872)			(5,822)			(5,431)
Effect of entities with different tax rates		38			(56)			25
Non-deductible expenses		(3,015)			(2,736)			(474)
Impact of change in statutory tax rate for future periods		—			—			(248)
Impact of exchange rate on temporary differences		—			—			1,321
Deductible expense		4			569			—
Other		8			(249)			(54)
Effective income taxes	$	(160)		$	—		$	(294)

Schedule of Deferred Tax Assets

Deferred tax assets, net:	2019		2018
Research and development expenses and other	$	7,102	$	5,595
Intangible assets from acquisition of business and other		23		(203)
Net operating loss carryforwards*		24,026		20,104
	$	31,151	$	25,496
Less—valuation allowance in respect of net operating loss carryforwards		(31,151)		(25,496)
Total deferred tax assets, net	$	—	$	—