v3.21.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Cash flows from operating activities:    
Net loss $ (5,791,000) $ (6,310,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Provision for doubtful accounts 65,000 74,000
Depreciation and amortization 328,000 323,000
Stock-based compensation 810,000 710,000
Non-cash interest expense 142,000 127,000
Amortization of operating lease right-of-use assets and accretion of operating lease liabilities 5,000
Loss from minority interest in limited liability company 76,000 182,000
Loss on disposal of property and equipment 9,000
Modification of warrants 287,000
Changes in assets and liabilities:    
Accounts receivable 369,000 220,000
Inventory 396,000 313,000
Prepaid expenses and other current assets 253,000 243,000
Other noncurrent assets 150,000 417,000
Accounts payable 276,000 654,000
Accrued and other liabilities (727,000) (2,654,000)
Other noncurrent liabilities 104,000 (40,000)
Net cash used in operating activities (3,253,000) (5,736,000)
Cash flows from investing activities:    
Purchase of property and equipment (85,000) (161,000)
Net cash used in investing activities (85,000) (161,000)
Cash flows from financing activities:    
Proceeds from January 2021 Offering, net of issuance costs 25,122,000
Proceeds from exercise of common warrants 179,000 1,661,000
Net cash provided by financing activities 25,261,000 1,631,000
Net increase (decrease) in cash and cash equivalents 21,923,000 (4,266,000)
Cash and cash equivalents - beginning of period 6,523,000 13,308,000
Cash and cash equivalents - end of period 28,446,000 9,042,000
Supplemental disclosure:    
Cash paid for interest
Cash paid for income taxes
Supplemental disclosure of cash flow information as of end of period:    
Issuance of Series B convertible preferred stock in settlement of dividends 1,118,000 989,000
Issuance of note payable in settlement of accrued interest 141,000 126,000
Net transfer of equipment between inventory and property and equipment (191,000) 89,000
Operating cash outflows from operating leases 75,000 75,000
Purchase Agreement with LPC [Member]    
Cash flows from financing activities:    
Transaction costs in connection with Purchase Agreement with LPC (40,000)
November 2019 Offering [Member]    
Cash flows from financing activities:    
Transaction costs in connection with Purchase Agreement with LPC $ (30,000)

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