Year Ended December 31,

2022

2021

(in thousands)

Cash flows (used in) from operating activities:

Net loss

$

(9,906)

$

(2,095)

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

Depreciation and amortization

369

611

Accretion of asset retirement obligation

282

262

Loss on trading securities

47

12

Write off of deferred financing costs

—

352

Gain on sale of assets

(125)

(17)

Stock-based compensation

744

1,593

Changes in operating assets and liabilities from continuing operations:

Decrease (increase) in inventories, net

232

(1,279)

Increase in value added tax receivable, net

(209)

(1,211)

Decrease in prepaid expenses and other assets

37

23

Decrease in other long-term assets

414

373

Increase in accounts payable and other accrued liabilities

198

2,063

(Decrease) increase in deferred revenue

(1,469)

948

(Decrease) increase in other current liabilities

(81)

54

Increase in reclamation liability

41

33

Decrease in other long-term liabilities

(231)

(308)

Net cash (used in) from operating activities

$

(9,657)

$

1,414