Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows (Unaudited)

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Condensed Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:      
Net loss $ (7,236) $ (7,701)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization 455 578  
Provision for doubtful accounts   15  
Stock-based compensation 1,169 1,047  
Gain on sale of property and equipment (501)    
Changes in operating assets and liabilities:      
Accounts receivable 78 87  
Inventories (14) (98)  
Prepaid expenses and other assets (83) 57  
Accounts payable 406 (176)  
Accrued expenses (2,172) (560)  
Deferred revenue (93) (215)  
Other liabilities (87) (77)  
Net cash used in operating activities (8,078) (7,043) $ (28,300)
CASH FLOWS FROM INVESTING ACTIVITIES:      
Proceeds from maturities of available-for-sale securities   11,000  
Proceeds from sale of property and equipment 309    
Purchases of property and equipment (20) (28)  
Net cash provided by investing activities 289 10,972  
CASH FLOWS FROM FINANCING ACTIVITIES:      
Proceeds from issuance of common stock, net of placement agent fees of $9 291    
Payments on equipment financing (265) (76)  
Payments of offering costs (189)    
Net cash used in financing activities (163) (76)  
NET CHANGE IN CASH AND CASH EQUIVALENTS (7,952) 3,853  
CASH AND CASH EQUIVALENTS, beginning of period 23,906 14,584 14,584
CASH AND CASH EQUIVALENTS, end of period 15,954 18,437 $ 23,906
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:      
Receivable from sale of property and equipment 222    
Unpaid offering costs 37    
Transfer from inventories to property and equipment for lasers 17 102  
SUPPLEMENTAL CASH FLOW INFORMATION:      
Cash payments for interest $ 2 $ 9