v3.22.2.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Mar. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Cash flows from operating activities:              
Net loss $ (4,976,000) $ (5,886,000) $ (5,858,000) $ (5,791,000) $ (16,661,000) $ (15,699,000)  
Adjustments to reconcile net loss to net cash used in operating activities:              
Provision for doubtful accounts         10,000 104,000  
Depreciation and amortization         568,000 884,000  
Stock-based compensation         2,737,000 2,765,000  
Non-cash interest expense         504,000 446,000  
Amortization of operating lease right-of-use assets and accretion of operating lease liabilities         (2,000) 15,000  
Impairment loss on investment in unconsolidated limited liability company (0)   (0)   455,000 (0)  
Loss from investment in unconsolidated limited liability company 0   33,000   122,000 188,000  
Loss on disposal of property and equipment         20,000 40,000  
Modification of warrants (0)   (0)   (0) 373,000  
Gain on forgiveness of Paycheck Protection Program loan 0   0   0 (1,358,000)  
Changes in assets and liabilities:              
Accounts receivable         (321,000) 152,000  
Inventory         115,000 1,423,000  
Prepaid expenses and other current assets         (167,000) 213,000  
Other assets         (161,000) (3,000)  
Accounts payable         (372,000) 411,000  
Accrued liabilities         1,011,000 71,000  
Other noncurrent liabilities         (863,000) 324,000  
Net cash used in operating activities         (13,005,000) (9,651,000)  
Cash flows from investing activities:              
Purchase of property and equipment         (301,000) (162,000)  
Net cash used in investing activities         (301,000) (162,000)  
Cash flows from financing activities:              
Proceeds from January 2021 Offering, net of issuance costs         0 25,122,000  
Proceeds from exercise of common warrants         0 179,000  
Proceeds from purchase of common shares under Purchase Agreement with LPC         0 704,000  
Proceeds from issuance of common shares from employee stock purchase plan         51,000 21,000  
Net cash provided by financing activities         51,000 25,955,000  
Net increase (decrease) in cash and cash equivalents         (13,255,000) 16,142,000  
Cash and cash equivalents - beginning of period   $ 19,162,000   $ 6,523,000 19,162,000 6,523,000 $ 6,523,000
Cash and cash equivalents - end of period $ 5,907,000   $ 22,665,000   5,907,000 22,665,000 $ 19,162,000
Supplemental disclosure:              
Cash paid for interest         0 0  
Cash paid for income taxes         0 0  
Supplemental disclosure of cash flow information as of end of period:              
Forgiveness of Paycheck Protection Program loan         0 1,358,000  
Issuance of Series B convertible preferred stock in settlement of dividends         3,909,000 3,460,000  
Issuance of note payable in settlement of accrued interest         502,000 443,000  
Net transfer of equipment between inventory and property and equipment         (258,000) (319,000)  
Operating cash outflows from operating leases         209,000 195,000  
Purchase Agreement with LPC [Member]              
Cash flows from financing activities:              
Transaction costs         $ 0 $ (71,000)  

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