Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)

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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Cash flows from operating activities:    
Net loss $ (9,280) $ (9,964)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization 554 887
Stock-based compensation 296 223
Inventory write-downs   407
Non-cash interest expense   255
Accretion of debt discount   30
Loss on disposal of asset 18  
Deferred income taxes (3) 53
Changes in operating assets and liabilities:    
Accounts receivable (1,229) 5,083
Inventory 779 2,989
Prepaid expenses and other current assets 1,496 1,367
Other assets (278) 32
Accounts payable 2,338 (1,746)
Accrued expenses (2,896) 1,354
Deferred revenue (5) 15
Income tax payable 13 90
Net cash provided by (used in) operating activities (8,197) 1,075
Cash flows from investing activities:    
Purchase of property and equipment   (184)
Net cash used in investing activities   (184)
Cash flows from financing activities:    
Repayment on long-term debt (37) (37)
Proceeds from exercise of stock options 5 210
Net cash provided by (used in) financing activities (32) 173
Net increase (decrease) in cash and cash equivalents (8,229) 1,064
Cash and cash equivalents at beginning of period 22,141 11,298
Cash and cash equivalents at end of period 13,912 12,362
Supplemental disclosure of cash flow information:    
Cash paid for interest 37 $ 37
Cash paid for income taxes $ 31