Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Performance Guarantee Obligations

The changes in our aggregate performance guarantee obligations are as follows:

	As of March 31,
	2020			2019
	(in thousands)
Balance at beginning of period	$	6,468		$	6,044
Accruals for obligations issued	683			527
Settlements made in cash	(3,844		)	(2,545		)
Balance at end of period	$	3,307		$	4,026

Lease Expense

The following table presents the detail of lease expense and lease income as recorded in general and administrative expense and other operating expense (income), respectively, in the unaudited condensed consolidated statements of operations:

	Three Months Ended   March 31,
	2020		2019
	(in thousands)
Operating lease expense	$	336	$	300
Finance lease amortization expense	2		2
Short-term lease expense	16		11
Variable lease expense	7		211
Sublease income	—		(18		)
Total	$	361	$	506

Other information related to leases was as follows:

	Three Months Ended   March 31,
	2020		2019
	(in thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	11	$	275
Financing cash flows from finance leases	1		3
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	—		755
Finance leases	—		13

	As of March 31,
	2020		2019
Weighted average remaining lease term (years):
Operating leases	9.17		3.24
Finance leases	0.25		1.39
Weighted average discount rate:
Operating leases	3.94	%	4.56	%
Finance leases	4.26	%	4.25	%

Lease Assets And Liabilities

The following table presents the detail of right-of-use assets and lease liabilities as recorded in other assets and other current liabilities/other long-term liabilities, respectively, in the unaudited condensed consolidated balance sheets:

	As of   March 31, 2020		As of   December 31, 2019
	(in thousands)
Right-of-use assets:
Operating leases	$	9,434	$	9,668
Finance leases	3		5
Total right-of-use assets	$	9,437	$	9,673
Current lease liabilities:
Operating leases	$	920	$	556
Finance leases	4		5
Long-term leases liabilities
Operating leases	9,113		9,389
Total lease liabilities	$	10,037	$	9,950

Finance Lease, Future Minimum Lease Payments

Future minimum lease payments under our non-cancelable leases as of March 31, 2020 were as follows:

	Operating Leases			Finance Leases
	(in thousands)
Remaining 2020	$	1,010		$	4
2021	1,536			—
2022	1,559			—
2023	1,594			—
2024	1,616			—
2025 and thereafter	7,617			—
Total	14,932			4
Amount representing interest	(2,488		)	—
Amount representing leasehold incentives	(2,411		)	—
Present value of future payments	10,033			4
Current portion of lease liability	(920		)	(4		)
Long-term portion of lease liability	$	9,113		$	—

Operating Lease, Future Minimum Lease Payments

Future minimum lease payments under our non-cancelable leases as of March 31, 2020 were as follows:

	Operating Leases			Finance Leases
	(in thousands)
Remaining 2020	$	1,010		$	4
2021	1,536			—
2022	1,559			—
2023	1,594			—
2024	1,616			—
2025 and thereafter	7,617			—
Total	14,932			4
Amount representing interest	(2,488		)	—
Amount representing leasehold incentives	(2,411		)	—
Present value of future payments	10,033			4
Current portion of lease liability	(920		)	(4		)
Long-term portion of lease liability	$	9,113		$	—

Other Commitments

Dealer Commitments.    As of March 31, 2020, the net unamortized balance of payments to dealers for exclusivity and other similar arrangements was $37.3 million. Under these agreements, we paid $5.3 million and $2.0 million during the three months ended March 31, 2020 and 2019, respectively, and could be obligated to make maximum payments, excluding additional amounts payable on a per watt basis if even higher thresholds are met, as follows:

	Dealer Commitments
	(in thousands)
Remaining 2020	$	23,220
2021	28,200
2022	29,058
2023	4,886
2024	3,682
2025 and thereafter	—
Total	$	89,046

Future Commitments

Purchase Commitments.    In August 2019, we amended an agreement with a supplier in which we agreed to purchase a minimum amount of energy storage systems and components for five years. These purchases are recorded to inventory in other current assets in the consolidated balance sheets. Under this agreement, we could be obligated to make minimum purchases as follows:

	Purchase Commitments
	(in thousands)
Remaining 2020	$	6,846
2021	27,359
2022	27,243
2023	27,053
2024	20,152
2025 and thereafter	—
Total	$	108,653

Future commitments as of March 31, 2020 were as follows:

	Information Technology Commitments
	(in thousands)
Remaining 2020	$	2,889
2021	3,325
2022	37
2023	26
2024	26
2025 and thereafter	7
Total	$	6,310