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Condensed Consolidated Statements of Cash Flows - USD ($) | 4 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities: |  |  |  |  |
Net loss |  | $ (72,227,000) | $ (76,774,000) | $ (94,718,000) | $ (79,550,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |  |
Depreciation and amortization |  | 1,929,000 | 1,712,000 | 2,316,000 | 1,494,000
Change in fair value of warrants and SAFE liabilities |  | 12,562,000 | 24,379,000 | 24,471,000 | 12,488,000
Write-down of inventories |  | 4,393,000 | 64,000 | 1,378,000 | 3,486,000
Loss on disposal of property and equipment |  | 30,000 | 37,000 | 37,000 | 188,000
Loss on extinguishment of debt |  | 866,000 | 6,124,000 | 6,124,000 | 0
Share-based compensation |  | 4,710,000 | 1,856,000 | 2,702,000 | 2,062,000
Loss on write off of property and equipment |  | 359,000 |  | 0 | 0
Changes in operating assets and liabilities |  |  |  |  |
Accounts receivable |  | 723,000 | (74,000) | 805,000 | (364,000)
Inventories |  | (3,206,000) | (1,880,000) | (2,454,000) | (6,054,000)
Other current assets |  | (3,571,000) | (1,072,000) | 179,000 | (874,000)
Other long-term assets |  | 544,000 | (13,000) | (2,000) | (887,000)
Accounts payable |  | 2,462,000 | (1,154,000) | (431,000) | 454,000
Accrued liabilities |  | 2,606,000 | 1,383,000 | (550,000) | (820,000)
Other current liabilities |  | 279,000 | 142,000 | 102,000 | 36,000
Other long-term liabilities |  | (190,000) | (127,000) | (160,000) | 1,252,000
Net cash provided by/(used in) operating activities |  | (47,731,000) | (45,398,000) | (60,201,000) | (67,089,000)
Cash flows from investing activities: |  |  |  |  |
Purchase of marketable securities |  | (123,403,000) |  | (6,908,000) | 0
Proceeds from maturities of marketable securities |  | 8,465,000 |  |  |
Proceeds from sale of marketable securities |  | 4,448,000 |  | 249,000 |
Purchase of property and equipment |  | (1,981,000) | (1,122,000) | (1,487,000) | (4,388,000)
Proceeds from disposal of property and equipment |  | 18,000 | 368,000 | 368,000 | 0
Net cash used in investing activities |  | (112,453,000) | (754,000) | (7,778,000) | (4,388,000)
Cash flows from financing activities: |  |  |  |  |
Settlement of SAFE notes |  |  | (5,609,000) | (5,609,000) | 0
Principal payments on financing obligations |  | (11,206,000) | (6,968,000) | (9,540,000) | (4,556,000)
Proceeds from the issuance of debt |  | 31,910,000 |  | 0 | 5,940,000
Proceeds from issuance of SAFE notes |  |  | 37,377,000 | 37,377,000 | 66,468,000
Principal payments on capital leases |  | (159,000) | (64,000) | (118,000) | (15,000)
Proceeds from issuance of Convertible Preferred stock |  |  |  | 68,666,000 | 0
Proceeds from issuance of restricted common stock |  |  | 61,000 | 61,000 | 84,000
Financing costs paid for debt |  | (361,000) | (5,367,000) | (5,367,000) | 0
Issuance cost paid for Series X Preferred stock |  | (5,662,000) |  |  |
Payment made for merger related expense |  | (707,000) |  |  |
Repurchase of Common Stock |  | (11,000) | (11,000) | (13,000) | (2,000)
Proceeds from sale of Private Placement Warrants to Sponsor |  |  |  | 46,000,000 |
Net cash provided by financing activities |  | 183,804,000 | 88,085,000 | 85,457,000 | 67,919,000
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents |  | 23,620,000 | 41,933,000 | 17,478,000 | (3,558,000)
Beginning cash and cash equivalents and restricted cash and cash equivalents |  | 27,305,000 | 9,827,000 | 9,827,000 | 13,385,000
Ending cash and cash equivalents and restricted cash and cash equivalents | $ 9,827,000 | 50,925,000 | 51,760,000 | 27,305,000 | 9,827,000
Supplemental disclosures of cash flow information: |  |  |  |  |
Cash paid for interest |  | 2,013,000 | 1,652,000 | 2,018,000 | 2,220,000
Cash paid for income taxes |  |  |  | 0 | 1,000
Noncash Investing and Financing Items [Abstract] |  |  |  |  |
Conversion of Bridge Note to Series A Convertible Preferred stock |  |  | 7,719,000 | 7,719,000 | 0
Conversion of SAFE notes into common stock |  |  | 4,925,000 | 4,925,000 | 0
Conversion of SAFE notes into Series A Convertible Preferred stock |  |  | 173,726,000 | 173,726,000 | 0
Assets acquired on capital leases |  | 43,000 | 430,000 | 397,000 | 79,000
Purchases of property and equipment recorded in accounts payable and accrued liabilities |  | 313,000 | 79,000 | 150,000 | 249,000
Merger related expense recorded in accounts payable and accrued liabilities |  | 3,669,000 |  |  |
Issuance cost for Series X preferred stock recorded in accounts payable |  | 227,000 |  |  |
Gores Metropoulos, Inc. |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |
Net loss | (21,985) | (3,378,457) | 4,261,643 | 5,445,176 |
Changes in operating assets and liabilities |  |  |  |  |
Accrued liabilities | 335,418 | 2,882,693 | (294,056) | (282,215) |
Changes in state franchise tax accrual | 1,431 | (170,000) | 148,569 | 198,569 |
Changes in prepaid assets and deferred costs |  | 76,939 | (193,429) | (136,399) |
Changes in deferred offering costs | (437,375) |  | 437,375 | 437,375 |
Changes in current income tax and interest payable |  | (969,658) | 497,951 | 1,102,662 |
Changes in deferred income tax |  | 2,353 | 293,594 | (2,353) |
Net cash provided by/(used in) operating activities | (122,511) | (1,556,130) | 5,151,647 | 6,762,815 |
Cash flows from investing activities: |  |  |  |  |
Cash deposited in Trust Account |  |  | (400,000,000) | (400,000,000) |
Interest reinvested in Trust Account |  | 709,764 | (4,738,939) | (6,434,959) |
Net cash used in investing activities |  | 709,764 | (404,738,939) | (406,434,959) |
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes and advances payable - related party | 150,000 |  |  |  |
Proceeds from sale of Class F common stock to Sponsor | 25,000 |  |  |  |
Proceeds from sale of Units in initial public offering |  | 400,000,000 | 400,000,000 | 400,000,000 |
Proceeds from sale of Private Placement Warrants to Sponsor |  |  | 10,000,000 | 10,000,000 |
Repayment of notes and advances payable – related party |  |  | (150,000) | (150,000) |
Payment of underwriters' discounts and commissions |  |  | (8,000,000) | (8,000,000) |
Payment of accrued offering costs |  |  | (865,105) | (865,105) |
Net cash provided by financing activities | 175,000 |  | 400,984,895 | 400,984,895 |
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents | 52,489 | (846,366) | 1,397,603 | 1,312,751 |
Beginning cash and cash equivalents and restricted cash and cash equivalents |  | 1,365,240 | 52,489 | 52,489 |
Ending cash and cash equivalents and restricted cash and cash equivalents | $ 52,489 | 518,874 | 1,450,092 | 1,365,240 | $ 52,489
Supplemental disclosures of cash flow information: |  |  |  |  |
Deferred Underwriting Compensation |  |  | 14,000,000 | 14,000,000 |
Cash paid for income taxes |  | 1,459,136 | 342,729 |  |
Cash paid for income and state franchise taxes |  |  |  | 342,729 |
Series A Redeemable Convertible Preferred Stock |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Proceeds from issuance of Convertible Preferred stock |  |  | $ 68,666,000 |  |
Series X Redeemable Convertible Preferred Stock |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Proceeds from issuance of Convertible Preferred stock |  | $ 170,000,000 |  | $ 170,000,000 |

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- Definition The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585 + Details
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