Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows

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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Cash flows from operating activities:      
Net loss $ (4,146) $ (5,609)  
Adjustments to reconcile net loss to net cash flows from operating activities:      
Allowance for credit losses (recoveries) (146) 171  
Depreciation and amortization 243 129  
Share-based compensation 1,504 1,307  
Amortization of debt issuance costs and original issue discounts 15 14  
Amortization of lease right-of-use, net of accretion in lease liabilities 231 142  
Accretion of discounts on short-term investments 0 (69)  
Increase (decrease) in cash resulting from changes in:      
Accounts receivable 846 (184)  
Inventory, net 53 (578)  
Prepaid expenses and other current assets 165 (42)  
Other assets (39) 0  
Accounts payable and accrued expenses (931) (959)  
Lease liabilities (171) (146)  
Deferred revenue (1,464) 144  
Net cash flows from operating activities (3,840) (5,680) $ (13,700)
Cash flows from investing activities:      
Purchases of property and equipment 0 (138)  
Net cash flows from investing activities 0 (138)  
Cash flows from financing activities:      
Proceeds from public offering of common stock, net of offering costs 16,183 0  
Proceeds from stock option exercises 21 0  
Payments for taxes related to net share settlement of equity awards (151) (5)  
Net cash flows from financing activities 16,053 (5)  
Net change in cash and cash equivalents 12,213 (5,823)  
Cash and cash equivalents, beginning of period 23,140 27,615 27,615
Cash and cash equivalents, end of period 35,353 21,792 $ 23,140
Cash paid for:      
Income taxes 0 0  
Interest $ 185 $ 179