CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Cash flows from operating activities:      
Net income $ 8,028 $ 4,359 $ 5,832
Net income from discontinued operations   10,690 300
Net income (loss) from continuing operations 8,028 (6,331) 5,532
Adjustments to reconcile net income from continuing operations to net cash from operating activities:      
Deferred income tax (benefit) expense (2,216) 3,508 3,857
Depreciation and amortization 16,147 17,601 19,917
Stock-based compensation 875 2,230 1,932
Share-based compensation 877    
Other operating adjustments 2,709 (404) 305
Changes in operating assets and liabilities:      
Accounts receivable (4,446) 4,136 (6,618)
Inventories (708) 1,036 (1,976)
Prepaid expenses and other current assets (267) (405) 1,097
Other noncurrent assets (8) 4 (3)
Accounts payable and other accrued liabilities 5,930 (588) 175
Mining royalty and income taxes payable, net 8,737 426 (106)
Net cash provided by operating activities from continuing operations   21,213 24,112
Net cash provided by operating activities 34,783    
Cash flows from investing activities:      
Capital expenditures (20,610) (12,811) (16,936)
Cash acquisition costs, net of cash acquired (2,363)    
Proceeds from the sale of gold and silver rounds   4,846 2
Net cash used in investing activities from continuing operations   (7,965) (16,934)
Net cash used in investing activities (22,973)    
Cash flows from financing activities:      
Proceeds from the exercise of stock options 300   98
Proceeds from issuance of stock   25,795 24,449
Dividends paid (3,366) (2,790) (1,491)
Cash related to the spin-off   (27,774)  
Other financing activities 3    
Other financing activities from discontinued operations   (452) (2,019)
Net cash (used in) provided by financing activities (3,063) (5,221) 21,037
Effect of exchange rate changes on cash and cash equivalents (440) (528) (455)
Cash flows from discontinued operations:      
Net cash provided by operating activities   14,184 (2,705)
Net cash used in investing activities   (6,488) (22,538)
Net increase in cash and cash equivalents 8,307 15,195 2,517
Cash and cash equivalents of continuing operations at beginning of period 25,405 10,210 7,693
Cash and cash equivalents of continuing operations at end of period $ 33,712 $ 25,405 $ 10,210