Financial Expenses, Net (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2019

Dec. 31, 2018

Other Income and Expenses [Abstract]

Schedule of financial expenses, net

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Foreign currency transactions and other	$	(10	)	$	(13	)	$	(50	)	$	26
Financial expenses related to loan agreement with Kreos		365			414			1,155			1,364
Bank commissions		5			4			26			22
	$	360		$	405		$	1,131		$	1,412

	Year Ended December 31,
	2018		2017			2016
Foreign currency transactions and other	$	42	$	(188	)	$	85
Financial expenses related to loan agreement with Kreos		2,398		2,451			1,976
Bank commissions		26		30			34
Income related to hedging transactions		—		—			(36	)
	$	2,466	$	2,293		$	2,059