XML 18 R7.htm IDEA: XBRL DOCUMENT v3.21.2
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Operating activities:    
Consolidated net income $ 34,478 $ 941
Adjustments to reconcile consolidated net income to net cash provided by (used for) operating activities:    
Depreciation and amortization 5,618 5,439
Stock-based compensation expense, net 3,138 2,646
Decrease in long-term deferred revenue (160) (160)
Loss (gain) on disposal of equipment 106 (6)
Decrease in contingent consideration obligations (74)  
Decrease in other assets 37 95
Increase in long-term income taxes payable 6 4
Deferred income taxes 5 17
Credit gain on available-for-sale securities (2) (2)
Provision for doubtful accounts   23
Change in current assets and liabilities, net (13,037) (5,233)
Net cash provided by operating activities 30,115 3,764
Investing activities:    
Purchases of short-term investments (50,706)  
Sales or maturities of short-term investments 30,000  
Additions to property, plant and equipment (15,782) (8,724)
Other (106) 6
Net cash used for investing activities (36,594) (8,718)
Financing activities:    
Proceeds from employee stock plans 4,751 7,385
Payment of contingent consideration obligations (107) (144)
Proceeds from public offering of Common Stock   109,732
Net cash provided by financing activities 4,644 116,973
Effect of foreign exchange rates on cash (144) 17
Net (decrease) increase in cash and cash equivalents (1,979) 112,036
Cash and cash equivalents at beginning of period 161,742 84,668
Cash and cash equivalents at end of period $ 159,763 $ 196,704