XML 17 R7.htm IDEA: XBRL DOCUMENT v3.22.2.2
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Operating activities:      
Consolidated net income $ 1,795 $ 17,365 $ 47,730
Adjustments to reconcile consolidated net income to net cash provided by operating activities:      
Depreciation and amortization   10,250 8,564
Stock-based compensation expense 2,829 7,445 5,005
Litigation-related expense 6,500 6,500  
Increase (decrease) in long-term deferred revenue   1,420 (240)
Amortization of Bond Premium   1,027  
Decrease in contingent consideration obligations   0 (74)
(Decrease) increase in other assets   (1,451) 56
Decrease in long-term income taxes payable   (40) (79)
Deferred income taxes   (52) 5
Credit gain on available-for-sale securities (1) (3) (3)
Provision for doubtful accounts   5 0
Change in current assets and liabilities, net   (20,456) (20,737)
Net cash provided by operating activities   22,010 40,227
Investing activities:      
Purchases of short-term investments   0 (50,706)
Sales or maturities of short-term investments   25,000 50,000
Additions to property, plant and equipment   (51,279) (30,942)
Net cash used for investing activities   (26,279) (31,648)
Financing activities:      
Proceeds from employee stock plans   4,147 8,621
Payment of contingent consideration obligations   0 (153)
Net cash provided by financing activities   4,147 8,468
Effect of foreign exchange rates on cash   (198) (126)
Net (decrease) increase in cash and cash equivalents   (320) 16,921
Cash and cash equivalents at beginning of period   182,418 161,742
Cash and cash equivalents at end of period $ 182,098 $ 182,098 $ 178,663