v3.22.2.2
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 122,659 $ 105,355
Trade receivables, net 39,559 26,715
Inventories, net 17,652 15,116
Prepaid expenses and other current assets 2,162 3,244
Total current assets 182,032 150,430
Property, plant and equipment 434,238 413,561
Less accumulated depreciation and depletion (264,858) (251,389)
Property, plant and equipment, net 169,380 162,172
Operating lease right-of-use assets 4,030 3,144
Other assets, net 438 450
Total assets 355,880 316,196
Current liabilities:    
Accounts payable 7,141 5,433
Current portion of operating lease liabilities 1,074 899
Accrued expenses 6,472 4,856
Total current liabilities 14,687 11,188
Deferred tax liabilities, net 25,239 23,055
Operating lease liabilities, excluding current portion 3,105 2,311
Other liabilities 1,447 1,436
Total liabilities 44,478 37,990
Stockholders' equity:    
Common stock 669 669
Additional paid-in capital 33,826 31,774
Retained earnings 332,841 301,611
Less treasury stock, at cost (55,934) (55,848)
Total stockholders' equity 311,402 278,206
Total liabilities and stockholders' equity $ 355,880 $ 316,196