Three Months Ended

Nine Months Ended

September 30,

2021

2020

2021

2020

Lease cost:

Statement of Operations Classification:

Operating lease cost

General and administrative expense

$

81

$

73

$

243

$

186

Variable operating lease cost

General and administrative expense

—

43

Short-term lease cost

Research and development expense

—

8

—

32

Total operating lease cost

$

81

$

81

$

243

$

261

Other information:

Cash paid for amounts included in the measurement of operating lease liability

$

76

$

18

$

226

$

135

Weighted average remaining lease term, in years

5.8

6.8

5.8

6.8

Weighted average discount rate

7.6%