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Investments (Tables)
 12 Months Ended
Dec. 31, 2019
Investments Debt And Equity Securities [Abstract]  
Schedule of short-term investments

 

 

 

December 31, 2019

 

(in thousands)

 

Amortized

Cost

 

 

Gross Unrealized

Holding Gains

 

 

Gross Unrealized

Holding (Losses)

 

 

Fair Value

 

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds(1)

 

$

12,494

 

 

$

—

 

 

$

—

 

 

$

12,494

 

Total cash equivalents

 

$

12,494

 

 

$

—

 

 

$

—

 

 

$

12,494

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2018

 

(in thousands)

 

Amortized

Cost

 

 

Gross Unrealized

Holding Gains

 

 

Gross Unrealized

Holding (Losses)

 

 

Fair Value

 

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds(1)

 

$

29,047

 

 

$

—

 

 

$

—

 

 

$

29,047

 

Total cash equivalents

 

$

29,047

 

 

$

—

 

 

$

—

 

 

$

29,047

 

(1) As of December 31, 2019, the money market funds included $5.0 million in restricted cash, and as of December 31, 2018, the money market funds included $5.0 million in restricted cash.