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Revenue Recognition (Tables)
6 Months Ended
Jun. 30, 2019
Disaggregation Of Revenue [Abstract]  
Schedule of Revenue Disaggregated by Source

The table below presents revenue disaggregated by source, for the three and six months ended June 30, 2019 and 2018 (in thousands):

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

2019

 

 

2018

 

 

2019

 

 

2018

 

Services

 

1,317

 

 

 

1,720

 

 

 

2,430

 

 

 

3,578

 

Products

 

638

 

 

 

355

 

 

 

741

 

 

 

373

 

 

$

1,955

 

 

$

2,075

 

 

$

3,171

 

 

$

3,951