Available-for-Sale-Securities (Tables)

3 Months Ended

Mar. 31, 2020

Debt Securities, Available-for-sale [Abstract]

Schedule of Available-for-sale Securities Reconciliation

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):

	March 31, 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	$	—	$	—	$	—	$	—	$	11,673	$	3	$	(1	)	$	11,675
Money market funds	17,037		—		—		17,037		11,093		—		—			11,093
Total	$	17,037	$	—	$	—	$	17,037	$	22,766	$	3	$	(1	)	$	22,768

Schedule of Marketable Securities

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):

	March 31, 2020		December 31, 2019
Cash and cash equivalents	$	17,037	$	11,643
Marketable securities	—		11,125
Total	$	17,037	$	22,768

Investments Classified by Contractual Maturity Date

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

	March 31, 2020
	Amortized Cost		Estimated Fair Value
Less than one year	$	17,037	$	17,037
Greater than one year	—		—
Total	$	17,037	$	17,037