Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash Flow From Operating Activities    
Net loss $ (2,845) $ (2,633)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 68 33
Amortization of right of use asset 130 107
Amortization of intangible assets 1 1
Non-cash interest income (43)
Stock based compensation 102 36
Change in fair value of derivative liabilities (41) 242
Forgiveness of PPP loan (391)
Gain on disposal of property and equipment (14)
Changes in operating assets and liabilities:    
Trade accounts receivable (4) (26)
Prepaid expenses and other current assets (391) (555)
Inventories (27) (28)
Accounts payable and accrued liabilities (54) 380
Other liabilities 3 (3)
Payments on operating lease liability (122) (98)
Net cash used in operating activities (3,180) (2,992)
Cash Flows From Investing Activities    
Purchase of property and equipment (230) (191)
Proceeds from notes receivable, net of imputed interest 583
Proceeds from sale of property and equipment 14
Net cash provided by (used in) investing activities (230) 406
Cash Flows From Financing Activities    
Proceeds from issuance of common stock in connection with exercise of warrants 196
Proceeds from issuance of debt 510
Net cash provided by financing activities 706
Net decrease in cash and cash equivalents (3,410) (1,880)
Cash and cash equivalents at beginning of period 14,273 25,351
Cash and cash equivalents at end of period 10,863 23,471
Noncash Investing and Financing Activities    
Extinguishment of derivative liabilities through exercise of warrants 195
Supplemental Cash Flow Information    
Cash paid for interest $ 25