Available-for-Sale-Securities

9 Months Ended

Sep. 30, 2020

Debt Securities, Available-for-sale [Abstract]

Available-for-Sale-Securities

Available-for-Sale-Securities

The following table is a summary of available-for-sale securities recorded in cash and cash equivalents or marketable securities in our Consolidated Balance Sheets (in thousands):

	September 30, 2020								December 31, 2019
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Corporate debt securities	$	13,506	$	—	$	(11)	$	13,495	$	11,673	$	3	$	(1)	$	11,675
Money market funds	15,481		—		—		15,481		11,093		—		—		11,093
Municipal debt securities	8,613		—		(1)		8,612		—		—		—		—
Sovereign government securities	196		—		—		196		—		—		—		—
Total	$	37,796	$	—	$	(12)	$	37,784	$	22,766	$	3	$	(1)	$	22,768

Estimated fair values of available-for-sale securities are generally based on prices obtained from commercial pricing services. The following table summarizes the classification of the available-for-sale securities in our Consolidated Balance Sheets (in thousands):

	September 30, 2020		December 31, 2019
Cash and cash equivalents	$	18,671	$	11,643
Marketable securities	19,113		11,125
Total	$	37,784	$	22,768

The following table summarizes our portfolio of available-for-sale securities by contractual maturity (in thousands):

	September 30, 2020
	Amortized Cost		Estimated Fair Value
Less than one year	$	37,796	$	37,784
Greater than one year	—		—
Total	$	37,796	$	37,784