At September 30, 2019 and December 31, 2018, the fair value of marketable securities, which were all classified as available for sale, included the following (in thousands):

	September 30, 2019
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value
Level 2:
Corporate debt securities	$	34,905	$	11	$	(4	)	$	34,912
Government-sponsored enterprise debt securities		3,811		1		—			3,812
Total	$	38,716	$	12	$	(4	)	$	38,724

	December 31, 2018
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value
Level 2:
Corporate debt securities	$	31,521	$	—	$	(23	)	$	31,498
Government-sponsored enterprise debt securities		2,999		—		—			2,999
Total	$	34,520	$	—	$	(23	)	$	34,497

The carrying amounts reported in the Condensed Consolidated Balance Sheets approximate the fair value based on quoted market prices or alternative pricing sources and models utilizing market observable inputs. As of September 30, 2019, the Company does not consider any of its marketable securities to be other than temporarily impaired. During the three and nine months ended September 30, 2019 and 2018, the Company did not reclassify any items out of accumulated other comprehensive (loss) income to net income. All investments in marketable securities are classified as current assets on the balance sheet because the underlying securities mature within one year from the balance sheet date.