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Supplemental Disclosures to Consolidated Statements of Cash Flows
 12 Months Ended
Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]  
Supplemental Disclosures to Consolidated Statements of Cash Flows Supplemental Disclosures to Consolidated Statements of Cash Flows
The following table presents the supplemental disclosures to the Consolidated Statements of Cash Flows for 2019, 2018 and 2017 (in thousands):
 
 
2019
 
2018
 
2017
Interest paid (net of amounts capitalized)
 
$
2,800

 
$
3,800

 
$
3,482

Income taxes (refunded) paid
 
(98
)
 
42

 
(158
)
Changes in purchases of property and equipment accrued in accounts payable, net
 
1,149

 
(1,339
)
 
(842
)
Conversion of Series A convertible preferred stock to common stock
 
—

 
—

 
18,500