v3.22.1
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (8,065) $ (8,559)
Adjustments to reconcile net loss to cash used in operating activities:    
Depreciation 55 42
Non-cash lease expense 85 111
Equity based compensation 2,000 2,519
Change in fair value of modified options 15 0
Changes in operating assets and liabilities:    
Inventory (145) 118
Prepaid expenses 43 96
Deferred revenue (8) 61
Accounts payable 165 (1,263)
Operating lease liabilities (86) (116)
Net cash used in operating activities (5,941) (6,991)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchase of property and equipment (55) (130)
Net cash used in investing activity (55) (130)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from sale of common stock 3,002 0
Proceeds from sale of common stock under an At-the-market offering, net of issuance costs 0 1,300
Proceeds from exercise of options 0 28
Net cash provided by financing activities 3,002 1,328
Net increase in cash and cash equivalents (2,994) (5,793)
Cash and cash equivalents, beginning of the period 11,659 28,268
Cash and cash equivalents, end of the period 8,665 22,475
Supplemental disclosures of cash flow information:    
Cash paid during the period for interest 0 0
Cash paid during the period for income taxes 0 0
Noncash investing and financing activities:    
Dividend payable on preferred stock charged to additional paid in capital 2 2
Record right-to-use assets and related lease liability $ 0 $ 218

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