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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net loss | $ (6,523,000) | $ (18,276,000) | $ (26,457,000)
Adjustments required to reconcile net loss to net cash used in operating activities: |  |  |
Share based compensation | 3,126,000 | 835,000 | 514,000
Depreciation | 1,302,000 | 1,617,000 | 1,671,000
Financial expenses, net (mainly exchange differences) | 171,000 | 378,000 | 20,000
Changes in accrued liability for employee rights upon retirement | (494,000) | (10,000) | (18,000)
Gain on amounts funded in respect of employee rights upon retirement | (28,000) | (58,000) | (46,000)
Net loss in connection with conversions of convertible notes |  |  | 213,000
Amortization of debt issuance costs and debt discount | 3,470,000 | 2,991,000 | 2,602,000
Issuance of shares for interest payment in connection with conversions of convertible notes |  |  | 234,000
Changes in operating assets and liabilities: |  |  |
Increase (decrease) in contracts liability (including non-current portion) | (26,205,000) | (9,580,000) | 17,880,000
Decrease (increase) in accounts receivable and other assets | 2,091,000 | 188,000 | (3,099,000)
Changes in right of use assets | 95,000 | (110,000) | 0
Decrease (increase) in inventories | (4,927,000) | 414,000 | (736,000)
Increase (decrease) in accounts payable and accruals | 2,274,000 | 2,735,000 | (761,000)
Increase (decrease) in other long term liabilities | (458,000) | (482,000) | 241,000
Net cash used in operating activities | (26,106,000) | (19,358,000) | (7,742,000)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Increase in bank deposits | (20,000,000) |  |
Purchase of property and equipment | (655,000) | (627,000) | (686,000)
Decrease (increase) in restricted deposit | 384,000 | (259,000) | 62,000
Amounts funded in respect of employee rights upon retirement, net | 319,000 | 3,000 | 33,000
Net cash used in investing activities | (19,952,000) | (883,000) | (591,000)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Net payment for convertible notes |  |  | (4,752,000)
Payment for promissory note | (215,000) |  |
Proceeds from issuance of common stock and warrants, net of issuance cost | 41,343,000 |  |
Proceeds from issuance of common stock under the Sales Agreement, net | 4,867,000 |  |
Exercise of warrants | 472,000 |  |
Net cash (used in) provided by financing activities | 46,467,000 |  | (4,752,000)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS | 64,000 | 225,000 | (270,000)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 473,000 | (20,016,000) | (13,355,000)
BALANCE OF CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 17,792,000 | 37,808,000 | 51,163,000
BALANCE OF CASH AND CASH EQUIVALENTS AT END OF YEAR | 18,265,000 | 17,792,000 | 37,808,000
SUPPLEMENTARY INFORMATION ON INVESTING AND FINANCING ACTIVITIES NOT INVOLVING CASH FLOWS: |  |  |
Purchase of property and equipment | 317,000 | 98,000 | 225,000
Convertible note conversions |  |  | 2,285,000
Right of use assets obtained in exchange for new operating lease liabilities | 632,000 | 388,000 |
SUPPLEMENTARY DISCLOSURE ON CASH FLOWS |  |  |
Interest paid | 4,344,000 | 4,344,000 | 4,585,000
Interest received | $ 438,000 | $ 407,000 | $ 395,000

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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=118932676&loc=d3e3213-108585 + Details
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- Definition Amount of cost (reversal of cost) for pension and other postretirement benefits. + References No definition available. + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + 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 (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash outflow from the repayment 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 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + 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 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + 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=118932676&loc=d3e3602-108585 + Details
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