MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2020

MARKETABLE SECURITIES

Schedule of marketable securities

	March 31		December 31
	2020		2019
Israeli mutual funds	$	1,024	$	1,020
Certificates of deposit		—		151
U.S Government		3,025		6,031
U.S Treasury bills		1,001		9,478
Corporate notes		14,067		—
Commercial paper		5,094		—
Total	$	24,211	$	16,680

Schedule of the fair value, cost and gross unrealized holding gains and losses of the debt marketable securities

		March 31, 2020
	Fair		Cost or		Gross unrealized		Gross unrealized
	value		amortized cost		holding gains		holding losses
U.S Government	$	3,025	$	3,022	$	—	$	3
U.S Treasury bills		1,001		1,000		—		1
Corporate notes		14,067		14,107		40		—
Commercial paper		5,094		5,098		4		—
Total	$	23,187	$	23,227	$	44	$	4

	December 31, 2019
	Fair		Cost or		Gross unrealized		Gross unrealized
	value		amortized cost		holding gains		holding loss
Certificates of deposit	$	151	$	151	$	—	$	—
U.S Government and agency bonds		6,031		6,030		—		1
U.S Treasury bills		9,478		9,475		—		3
Total	$	15,660	$	15,656	$	—	$	4