Revenue (Tables)
|
6 Months Ended |
Jun. 30, 2018 |
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| Revenue |
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| Schedule of disaggregation of revenue |
In the following table, revenue is disaggregated by major product line and timing of revenue recognition (in thousands):
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Major products/services lines
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Three months ended
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Six months ended
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June 30, 2018
|
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June 30, 2017
|
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June 30, 2018
|
|
June 30, 2017
|
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Sales of fuel cell systems
|
|
$
|
14,633
|
|
$
|
5,582
|
|
$
|
21,207
|
|
$
|
7,400
|
|
Sale of hydrogen installations and other infrastructure
|
|
|
5,989
|
|
|
2,978
|
|
|
10,873
|
|
|
3,357
|
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Services performed on fuel cell systems and related infrastructure
|
|
|
7,188
|
|
|
5,049
|
|
|
13,786
|
|
|
10,198
|
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Power Purchase Agreements
|
|
|
5,629
|
|
|
4,945
|
|
|
11,118
|
|
|
9,256
|
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Fuel delivered to customers
|
|
|
6,488
|
|
|
3,986
|
|
|
12,023
|
|
|
7,477
|
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Other
|
|
|
—
|
|
|
64
|
|
|
—
|
|
|
151
|
|
Total gross revenue
|
|
$
|
39,927
|
|
$
|
22,604
|
|
$
|
69,007
|
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$
|
37,839
|
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| Schedule of receivables, contract assets and contract liabilities from contracts with customers |
The following table provides information about receivables, contract assets and contract liabilities from contracts with customers (in thousands):
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June 30, 2018
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December 31, 2017
|
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Accounts receivable
|
|
$
|
31,509
|
|
$
|
15,331
|
|
Contract assets
|
|
|
6,246
|
|
|
9,316
|
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Contract liabilities
|
|
|
49,088
|
|
|
46,777
|
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| Schedule of changes in contract assets and the contract liabilities |
Significant changes in the contract assets and the contract liabilities balances during the period are as follows (in thousands):
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Contract assets
|
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Six months ended
|
|
|
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June 30, 2018
|
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Transferred to receivables from contract assets recognized at the beginning of the period
|
|
$
|
(5,502)
|
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Revenue recognized and not billed as of the end of the period
|
|
|
2,432
|
|
Net change in contract assets
|
|
$
|
(3,070)
|
|
|
|
|
|
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Contract liabilities
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|
Six months ended
|
|
|
|
June 30, 2018
|
|
Revenue recognized that was included in the contract liability balance as the beginning of the period
|
|
$
|
4,608
|
|
Increases due to cash received, net of amounts recognized as revenue during the period
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|
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(6,919)
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Net change in contract liabilities
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|
$
|
(2,311)
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| Schedule of Estimated future revenue |
The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period (in thousands):
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June 30, 2018
|
|
December 31, 2017
|
|
Sales of fuel cell systems
|
|
$
|
13,478
|
|
$
|
26,298
|
|
Sale of hydrogen installations and other infrastructure
|
|
|
8,281
|
|
|
15,512
|
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Services performed on fuel cell systems and related infrastructure
|
|
|
77,496
|
|
|
89,079
|
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Power Purchase Agreements
|
|
|
122,659
|
|
|
130,042
|
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Total estimated future revenue
|
|
$
|
221,914
|
|
$
|
260,931
|
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