CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 251,409	$ 106,237
Restricted cash	44,700	0
Accounts receivable, net of allowances of $564 and $2,138 at December 31, 2019 and December 31, 2018, respectively	145,413	78,938
Inventory	32,056	16,267
Prepaid expenses and other assets	26,079	20,860
Total current assets	499,657	222,302
Property and equipment, net	28,936	20,998
Operating lease, right of use asset	10,117
Intangible assets, net	30,579	35,306
Goodwill	24,783	24,783
Other assets	44,620	36,548
Deferred tax assets, net	74,531	0
Total assets	713,223	339,937
Current liabilities:
Accounts payable	57,474	48,794
Accrued liabilities	47,092	29,010
Deferred revenues, current	81,783	33,119
Warranty obligations, current (includes $6,794 and $4,288 measured at fair value at December 31, 2019 and December 31, 2018, respectively)	10,078	8,083
Debt, current	2,884	28,155
Total current liabilities	199,311	147,161
Long-term liabilities:
Deferred revenues, noncurrent	100,204	76,911
Warranty obligations, noncurrent (includes $13,012 and $7,469 measured at fair value at December 31, 2019 and December 31, 2018, respectively)	27,020	23,211
Other liabilities	11,817	3,250
Debt, noncurrent	102,659	81,628
Total liabilities	441,011	332,161
Commitments and contingent liabilities (Note 12)
Stockholders’ equity:
Common stock, $0.00001 par value, 150,000 shares and 150,000 shares authorized; and 123,109 shares and 107,035 shares issued and outstanding at December 31, 2019 and December 31, 2018, respectively	1	1
Additional paid-in capital	458,315	353,335
Accumulated deficit	(185,181)	(346,302)
Accumulated other comprehensive income (loss)	(923)	742
Total stockholders’ equity	272,212	7,776
Total liabilities and stockholders’ equity	$ 713,223	$ 339,937