Six Months Ended June 30,

2021

2020

(in thousands)

Cash flows from operating activities:

Net loss

$

(3,988)

$

(5,659)

Adjustments to reconcile net loss to net cash used in operating activities:

Depreciation and amortization

323

544

Accretion of asset retirement obligation

131

121

Decrease in derivative at fair value, net

—

125

Gain on trading securities

(39)

—

Asset write off

(1)

100

Gain on sale of assets

(17)

—

Stock compensation

1,416

666

Changes in operating assets and liabilities from continuing operations:

Decrease in lease receivable

—

95

Decrease (increase) in prepaid expenses and other assets

112

(505)

(Increase) decrease in inventories

(1,681)

45

Increase in value added tax recoverable, net

(1,555)

(11)

Decrease in other long-term assets

552

598

Decrease in reclamation liability

(33)

(2)

Increase (decrease) in accounts payable and accrued liabilities

1,322

(950)

Decrease in other current liabilities

(280)

(953)

Decrease in deferred revenue

(279)

(245)

Decrease in other long-term liabilities

(181)

(82)

Net cash used in operating activities

$

(4,198)

$

(6,113)