Six Months Ended June 30,

2023

2022

(in thousands)

Cash flows (used in) from operating activities:

Net loss

$

(4,754)

$

(3,129)

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

Depreciation and amortization

232

152

Accretion of asset retirement obligation

148

140

Loss on trading securities

9

14

Gain on sale of assets

(18)

(125)

Stock-based compensation

232

349

Changes in operating assets and liabilities from continuing operations:

Decrease (increase) in inventories, net

123

(153)

Increase in value added tax receivable, net

(1,451)

(381)

Decrease (increase) in prepaid expenses and other assets

64

(22)

Decrease in other long-term assets

149

100

Increase in accounts payable and other accrued liabilities

1,232

588

Decrease in deferred revenue

—

(750)

Decrease in other current liabilities

(192)

(280)

(Decrease) increase in reclamation liability

(15)

30

Decrease in other long-term liabilities

(53)

(165)

Net cash used in operating activities

$

(4,294)

$

(3,632)