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Revenue Recognition (Tables)
 3 Months Ended
Mar. 31, 2018
Revenue Recognition  
Disaggregation of revenue by type of service

The following table disaggregates our revenue by type of service (in thousands):

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

  

2018

  

2017 (1)

Contract operations revenue

 

$

76,716

 

$

60,432

Retail parts and services revenue

 

 

1,023

 

 

1,077

Station installations revenue

 

 

 —

 

 

4,523

Total revenues

 

$

77,739

 

$

66,032

(1)

As noted above, prior period amounts have not been adjusted under the modified retrospective method of ASC Topic 606.
Disaggregation of revenue by timing of transfer of services

The following table disaggregates our revenue by timing of provision of services or transfer of goods (in thousands):

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

  

2018

  

2017 (1)

Services provided or goods transferred at a point in time

 

$

1,023

 

$

1,077

Services provided over time:

 

 

 

 

 

 

Recurring term contracts:

 

 

 

 

 

 

Primary term

 

 

42,997

 

 

36,626

Month-to-month

 

 

33,719

 

 

23,806

Non-recurring term contracts:

 

 

 

 

 

 

Station installations

 

 

 —

 

 

4,523

Total revenues

 

$

77,739

 

$

66,032

(1)

As noted above, prior period amounts have not been adjusted under the modified retrospective method of ASC Topic 606.