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Revenue Recognition (Tables)
 3 Months Ended
Mar. 31, 2019
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
The following tables disaggregate the Company’s revenue by shipment destination:
 
 
Three Months Ended March 31,
Region:
 
2019
 
2018
Americas
 
$
2,879

 
$
4,744

Asia Pacific
 
6,860

 
8,026

Europe
 
5,699

 
10,232

Total
 
$
15,438

 
$
23,002
Contract with Customer, Asset and Liability
Changes in the Company’s contract liabilities, which are included in “deferred revenue and other current liabilities” in the Company’s condensed consolidated balance sheets, are as follows:
 
 
Three Months Ended March 31,
 
 
2019
 
2018
Beginning balance
 
$
3,479

 
$
5,234

Impact of adoption of ASC 606
 
—

 
(518
)
Increases due to cash received from customers
 
908

 
1,267

Decreases due to recognition of revenue
 
(489
)
 
(1,461
)
Other changes
 
(265
)
 
(4
)
Ending balance of contract liabilities
 
$
3,633

 
$
4,518