Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

v3.20.4
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2020
Summary of Significant Accounting Policies [Abstract]  
Reconciliation of Cash, Cash Equivalents, and Restricted Cash

As of December 31,

2020

2019

(in thousands)

Cash and cash equivalents

$

47,853

$

45,917

Restricted cash - current

86

911

Restricted cash - non-current

925

925

Abandonment funding

12,453

11,371

Total cash, cash equivalents and restricted cash

$

61,317

$

59,124

Rollforward of Aggregate Allowance for Bad Debt

Year Ended December 31,

2020

2019

2018

(in thousands)

Allowance for bad debt

Balance at beginning of period

$

(1,508)

$

(2,535)

$

(7,033)

Bad debt charge

(1,165)

341

77

Adjustment associated with reversal of allowance on Mutamba receivable

593

—

—

Adjustment associated with settlement of customs audit

—

623

—

Reclassification to leasehold costs related to signing bonus

—

—

4,197

Foreign currency gain (loss)

(193)

63

224

Balance at end of period

$

(2,273)

$

(1,508)

$

(2,535)
Assets and Liabilities Measured on Recurring Basis

As of December 31, 2020

Balance Sheet Line

Level 1

Level 2

Level 3

Total

(in thousands)

Liabilities

SARs liability

Accrued liabilities

$

—

$

2,289

$

—

$

2,289

SARs liability

Other long-term liabilities

—

193

—

193

$

—

$

2,482

$

—

$

2,482

As of December 31, 2019

Balance Sheet Line

Level 1

Level 2

Level 3

Total

(in thousands)

Assets

Derivative asset commodity swaps

Prepayments and other

$

—

$

636

$

—

$

636

$

—

$

636

$

—

$

636

Liabilities

SARs liability

Accrued liabilities

$

—

$

2,638

$

—

$

2,638

SARs liability

Other long-term liabilities

—

852

—

852

$

—

$

3,490

$

—

$

3,490