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v3.21.2

Condensed Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash flows from operating activities: |  |
Net loss | $ (9,139) | $ (5,387)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 351 | 322
Share-based compensation | 1,074 | 185
Deferred rent | (3) |
Forgiveness of PPP Loan | (500) |
Changes in operating assets and liabilities: |  |
Prepaid expenses and other assets | 142 | 186
Accounts payable | 486 | 874
Accrued expenses and other current liabilities | 313 | 276
Net cash used in operating activities | (7,276) | (3,544)
Cash flows from investing activities: |  |
Purchases of property and equipment | (39) | (416)
Net cash used in investing activities | (39) | (416)
Cash flows from financing activities: |  |
Proceeds from sale of Series A convertible preferred stock |  | 11,046
Payment of Series A convertible preferred stock issuance costs |  | (27)
Proceeds from sale of common stock and common stock warrants | 27,000 |
Payment of issuance costs releated to the sale of common stock and common stock warrants | (486) |
Proceeds from exercise of stock options | 27 | 3
Proceeds from exercise of stock warrants | 906 |
Proceeds from long-term debt |  | 500
Payment of equipment loan payable | (69) | (112)
Payment of capital lease obligations |  | (204)
Net cash provided by financing activities | 27,378 | 11,206
Net decrease in cash and restricted cash | 20,063 | 7,246
Cash and restricted cash at beginning of period | 39,866 | 2,643
Cash and restricted cash at end of period | 59,929 | 9,889
Supplemental disclosures of cash flow information: |  |
Cash paid for interest |  | 17
Supplemental disclosures of non-cash investing and financing activities: |  |
Fair value of liability-classified warrants issued in connection with Series A convertible preferred stock |  | $ 1,522
Purchases of property and equipment in accounts payable | 7 |
Offering costs in accounts payable | $ 110 |

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration