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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 26,748 $ 76,579
Marketable securities 33,147  
Accounts receivable, net 17,840 15,546
Inventories, net 31,290 25,642
Prepaid expenses and other 2,136 2,464
Total current assets 111,161 120,231
Other assets:    
Note receivable from affiliate 13,200 18,700
Goodwill 23,742 23,742
Other noncurrent assets 590 597
Total other assets 37,532 43,039
Property and equipment:    
Land 5,390 5,071
Buildings 23,181 23,161
Equipment 74,113 70,664
Construction in progress 722 2,028
Gross property and equipment 103,406 100,924
Less accumulated depreciation 74,712 71,742
Net property and equipment 28,694 29,182
Total assets 177,387 192,452
Current liabilities:    
Accounts payable and accrued liabilities 15,618 14,724
Income taxes payable to affiliate 1,035 1,722
Total current liabilities 16,653 16,446
Noncurrent liabilities:    
Deferred income taxes 2,230 2,918
Other 68  
Total noncurrent liabilities 2,298 2,918
Stockholders' equity:    
Common stock 123 124
Additional paid-in capital 53,155 54,780
Retained earnings 105,175 118,184
Accumulated other comprehensive loss - unrealized loss on marketable securities (17)  
Total stockholders' equity 158,436 173,088
Total liabilities and stockholders' equity $ 177,387 $ 192,452