Three Months Ended September 30,

Nine Months Ended September 30,

Warrant Liabilities

2022

2021

2022

2021

Fair value at beginning of period

$

469

$

20,526

$

2,651

$

1,830

Initial fair value at the original issuance date

—

1,672

1,110

25,417

Equity classified warrant put feature activated

—

—

—

51

Change in fair value during the period

(385

)

(12,764

)

(2,403

)

(17,939

)

Fair value of warrants exercised

—

—

(1,274

)

—

Seneca liability classified warrants assumed

—

—

—

200

Expiration of equity classified warrant put feature

—

—

—

(26

)

Settlement of liability-classified warrants

—

—

—

(99

)

Fair value at end of period

$

84

$

9,434

$

84

$

9,434