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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 |  | $ (24,156) | $ (8,879)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |
Stock option compensation expense |  | 3,505 | 273
Restricted stock compensation expense |  | 406 | 4
Depreciation expense |  | 167 | 212
Amortization of right of use assets |  | 25 | 37
Warrant liability fair value adjustment |  | 2,832 | (17,493)
Non-cash interest income |  | (1) | (11)
Equitization of expenses |  | 0 | 1,474
Loss on issuance of financial instruments |  | 0 | 1,715
Interest expense accrued related to convertible notes |  | 160 | 74
Debt discount amortization |  | 0 | 4,467
Changes in assets and liabilities: |  |  |
Increase in prepaid expenses and other assets |  | (910) | (807)
(Increase) decrease in accounts receivable |  | (36) | 497
(Increase) decrease in inventories |  | (201) | 204
Decrease in accounts payable and accrued expenses |  | (4,396) | (4,350)
Decrease in deferred revenue |  | (263) | (479)
Decrease in other liabilities |  | 0 | (627)
Net cash used in operating activities |  | (22,868) | (23,689)
Cash flows from investing activities: |  |  |
Purchase of property, plant and equipment |  | (782) | (24)
Net cash used in investing activities |  | (782) | (24)
Cash flows from financing activities: |  |  |
Net proceeds from the issuance of debt |  | 0 | 3,719
Principal payments of financing leases |  | (26) | (39)
Net payments related to reverse stock split |  | (106) | 0
Fees paid related to preferred stock conversions |  | (1) | 0
Proceeds from exercise of warrants |  | 1,858 | 0
Net cash provided by financing activities |  | 42,355 | 30,305
Foreign currency effects on cash, cash equivalents and restricted cash |  | (132) | 14
Net increase in cash, cash equivalents and restricted cash |  | 18,573 | 6,606
Cash, cash equivalents and restricted cash: |  |  |
Beginning of year |  | 10,183 | 3,577
End of year |  | 28,756 | 10,183
Supplemental Disclosure of Cash Flow Information: |  |  |
Interest expense |  | 11 | 0
Supplemental Disclosure of Non-Cash Investing and Financing Activities: |  |  |
Conversions of preferred stock into common stock |  | 21 | 0
Reclassification of 2019 warrants from liability to equity |  | 6,200 | 0
Equitization of debt, interest and expenses into July 2019 Private Placement |  | 0 | 12,572
Fair value of warrants issued |  | 0 | 20,844
Adoption of ASC 842 lease standard |  | 0 | 1,652
Right of use assets obtained in exchange for lease obligations |  | 729 | 874
Financing of D&O insurance premium |  | 781 | 548
Issuance of restricted stock for 2019 bonuses due to executive officers |  | 230 | 0
IPO [Member] |  |  |
Cash flows from financing activities: |  |  |
Proceeds on Public Offering (1) | [1] | 19,378 | 0
At-the-Market Offering [Member] |  |  |
Cash flows from financing activities: |  |  |
Fees paid related to preferred stock conversions |  | (44) |
Proceeds on ATM Offering Trades (2) | [2] | 866 | 0
IPO 2 [Member] |  |  |
Cash flows from financing activities: |  |  |
Proceeds on Public Offering (1) | [3] | 20,386 | 0
Series D Preferred Stock [Member] |  |  |
Cash flows from financing activities: |  |  |
Net proceeds from the sale of Series E and E-1 Preferred Stock and warrants |  | 0 | 150
Series E and E-1 Preferred Stock and Warrants [member] |  |  |
Cash flows from financing activities: |  |  |
Net proceeds from the sale of Series E and E-1 Preferred Stock and warrants |  | $ 0 | $ 26,475
[1] | May 2020 Public Offering gross proceed were $21,996, with issuance costs of $2,618
[2] | ATM offering gross proceeds were $910, with issuances costs and fees of $44
[3] | December 2020 Public Offering gross proceeds were $22,247, with issuance costs of $1,861

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