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v3.21.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities: |  |
Net loss | $ (5,981) | $ (7,373)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 184 | 326
Stock-based compensation | 131 | 616
Change in fair value of warrant liabilities | 1,086 | 0
Provision for doubtful accounts receivable | (20) | (5)
Provision for slow-moving and obsolete inventories | 610 | (14)
Provision for warranties | 31 | 78
Amortization of loan discounts and origination fees | 395 | 108
Loss on dispositions of property and equipment | 8 | 24
Change in operating assets and liabilities: |  |
Accounts receivable | 377 | (131)
Inventories | 1,137 | 1,876
Short-term deposits | (670) | 699
Prepaid and other assets | (18) | (88)
Accounts payable | 1,096 | (2,214)
Accrued and other liabilities | 349 | (542)
Deferred revenue | 54 | (12)
Total adjustments | 3,530 | 749
Net cash used in operating activities | (2,451) | (6,624)
Cash flows from investing activities: |  |
Acquisitions of property and equipment | (223) | (132)
Proceeds from the sale of property and equipment | 0 | 3
Net cash used in investing activities | (223) | (129)
Cash flows from financing activities: |  |
Proceeds from the issuance of common stock and warrants | 2,749 | 0
Proceeds from the exercise of warrants | 918 | 0
Offering costs paid on the issuance of common stock and warrants | (510) | 0
Proceeds from PPP loan | 795 | 0
Proceeds from exercise of stock options and purchases through employee stock purchase plan | 100 | 0
Principal payments under finance lease obligations | (3) | (3)
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units | (3) | (110)
Payments for deferred financing costs & termination fees | (320) | (208)
Proceeds from the Iliad Note | 0 | 1,115
Payments on the Iliad Note | (1,306) | 0
Proceeds from convertible notes | 0 | 1,700
Net cash provided by financing activities | 4,160 | 1,094
Effect of exchange rate changes on cash | 0 | 16
Net increase (decrease) in cash and restricted cash | 1,486 | (5,643)
Cash and restricted cash, beginning of year | 692 | 6,335
Cash and restricted cash, end of year | 2,178 | 692
Classification of cash and restricted cash: |  |
Cash and restricted cash | 2,178 | 6,335
Supplemental information: |  |
Cash paid in year for interest | 269 | 215
Cash paid in year for income taxes | 4 | 15
Austin Credit Facility |  |
Cash flows from financing activities: |  |
Net proceeds from (payment on) credit line borrowings | (719) | (1,400)
Credit Facilities |  |
Cash flows from financing activities: |  |
Net proceeds from (payment on) credit line borrowings | $ 2,459 | $ 0

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- Definition The cash outflow for loan and debt issuance costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from debt classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
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