Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Inventory, Net

The components of inventory consisted of the following (in thousands):

	March 31, 2020		December 31, 2019
Raw materials	$	59,099	$	67,829
Work-in-progress	18,564		21,207
Finished goods	29,541		20,570
	$	107,204	$	109,606

Prepaid Expense and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	March 31, 2020		December 31, 2019
Government incentives receivable	$	839	$	893
Prepaid production insurance	3,961		3,763
Receivables from employees	6,653		6,130
Other prepaid expenses and other current assets	13,541		17,282
	$	24,994	$	28,068

Property, Plant and Equipment, Net

Property, plant and equipment, net consisted of the following (in thousands):

	March 31, 2020			December 31, 2019
Energy Servers	$	648,273		$	650,600
Computers, software and hardware	20,453			20,275
Machinery and equipment	102,837			101,650
Furniture and fixtures	8,309			8,339
Leasehold improvements	35,694			35,694
Building	40,512			40,512
Construction in progress	22,854			12,611
	878,932			869,681
Less: Accumulated depreciation	(272,082		)	(262,622		)
	$	606,850		$	607,059

Customer Financing Leases, Receivable

The components of investment in sales-type financing leases consisted of the following (in thousands):

	March 31, 2020			December 31, 2019
Total minimum lease payments to be received	$	74,955		$	76,886
Less: Amounts representing estimated executing costs	(19,344		)	(19,931		)
Net present value of minimum lease payments to be received	55,611			56,955
Estimated residual value of leased assets	890			890
Less: Unearned income	(1,885		)	(1,990		)
Net investment in sales-type financing leases	54,616			55,855
Less: Current portion	(5,170		)	(5,108		)
Non-current portion of investment in sales-type financing leases	$	49,446		$	50,747

Schedule of Customer Payments from Sales-Type Financing Leases

The future scheduled customer payments from sales-type financing leases were as follows as of March 31, 2020 (in thousands):

	Remainder of 2020		2021		2022		2023		2024		Thereafter
Future minimum lease payments, less interest	$	3,868	$	5,428	$	5,784	$	6,155	$	6,567	$	25,923

Other Long-Term Assets

Other long-term assets consisted of the following (in thousands):

	March 31, 2020		December 31, 2019
Prepaid and other long-term assets	$	31,134	$	29,153
Deferred commissions	5,668		5,007
Equity-method investments	5,897		5,733
Long-term deposits	1,897		1,759
	$	44,596	$	41,652

Accrued Warranty

Accrued warranty liabilities consisted of the following (in thousands):

	March 31, 2020		December 31, 2019
Product warranty	$	2,566	$	2,345
Product performance	6,940		7,536
Maintenance services contracts	1,508		453
	$	11,014	$	10,334

Changes in the product warranty and product performance liabilities were as follows (in thousands):

Balances at December 31, 2019	$	9,881
Accrued warranty, net	514
Warranty expenditures during period	(889		)
Balances at March 31, 2020	$	9,506

Accrued Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following (in thousands):

	March 31, 2020		December 31, 2019
Compensation and benefits	$	17,611	$	17,173
Current portion of derivative liabilities	6,434		4,834
Sales related liabilities	391		416
Accrued installation	10,923		10,348
Sales tax liabilities	3,899		3,849
Interest payable	2,880		3,875
Accrued payables	24,860		18,650
Other	10,811		11,139
	$	77,809	$	70,284

Other Long-Term Liabilities

Other long-term liabilities consisted of the following (in thousands):

	March 31, 2020		December 31, 2019
Delaware grant	$	10,469	$	10,469
Other	18,074		17,544
	$	28,543	$	28,013