Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Summary of Components of Marketable Securities

	As of June 30, 2021
	Amortized		Unrealized			Fair
	Cost		Losses			Value
U.S. government obligations	$	2,556	$	(22	)	$	2,534
Corporate obligations		15,628		(67	)		15,561
	$	18,184	$	(89	)	$	18,095

	As of December 31, 2020
	Amortized		Unrealized			Fair
	Cost		Losses			Value
U.S. government obligations	$	1,021	$	(7	)	$	1,014
Corporate obligations		629		(4	)		625
	$	1,650	$	(11	)	$	1,639

Schedule of Components of Inventory

	June 30,		December 31,
	2021		2020
Diagnostic services testing material	$	13,240	$	1,028
Raw materials		1,249		1,404
Work in process		345		437
Finished goods		335		170
	$	15,169	$	3,039

Schedule of Fair Value of Financial Instruments

	As of June 30, 2021
	Level 1		Level 2		Level 3		Total
Marketable debt securities
U.S. government obligations	$	-	$	2,534	$	-	$	2,534
Corporate obligations		-		15,561		-		15,561
Marketable equity securities		479		-		-		479
	$	479	$	18,095	$	-	$	18,574

	As of December 31, 2020
	Level 1		Level 2		Level 3		Total
Marketable debt securities
U.S. government obligations	$	-	$	1,014	$	-	$	1,014
Corporate obligations		-		625		-		625
	$	-	$	1,639	$	-	$	1,639

Schedule of Deferred Revenue

	As of June 30, 2021		As of December 31, 2020
Recognition Period
0-12 Months	$	112	$	169
13-24 Months		74		84
Over 24 Months		47		78
Total	$	233	$	331

Schedule of Disaggregation by Revenue

	For the three months ended				For the six months ended
Revenue by Customer Type	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Contract manufacturing	$	1,041	$	3,472	$	2,949	$	5,195
Retail and others		565		151		1,190		316
Diagnostic services		7,536		-		20,274		-
Total revenue	$	9,142	$	3,623	$	24,413	$	5,511