v3.21.2
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Operating activities:    
Net loss $ (4,943) $ (14,301)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 273 320
Changes in allowance for doubtful accounts 48 47
Gain on forgiveness of note payable (1,099) 0
(Gain) loss on revaluation of warrant liabilities (886) 6,055
Finance cost attributable to issuance of warrants 0 329
Stock-based compensation expense 875 1,095
Amortization of debt discount and accretion of final payment fee 2 23
Gain on modification of operating lease liabilities 0 (38)
Loss on investment of unconsolidated affiliate 0 66
Common stock contribution to 401(k) plan 107 99
Unrealized loss on foreign currency transactions 372 7
Changes in operating assets and liabilities:    
Accounts receivable 420 1,420
Inventories (136) 194
Prepaid expenses, right-of-use assets, and other assets current and noncurrent 94 (84)
Accounts payable (73) (1)
Accrued, lease and other noncurrent liabilities (306) (746)
Deferred revenues (354) (230)
Net cash used in operating activities (5,606) (5,745)
Financing activities:    
Proceeds from issuance of common stock and warrants, net 37,295 7,082
Principal payments on note payable 0 (793)
Proceeds from issuance of long-term debt 0 1,086
Proceeds from exercise of warrants 1,417 785
Net cash provided by financing activities 38,712 8,160
Effect of exchange rate changes on cash (30) (27)
Net increase in cash 33,076 2,388
Cash at beginning of period 12,862 10,872
Cash at end of period 45,938 13,260
Supplemental disclosure of cash flow activities    
Cash paid for interest 46 61
Supplemental disclosure of non-cash activities    
Fair value of warrants issued upon equity financing 1,936 0
Reclassification of warrant liability to equity upon exercise of warrants 2,461 0
Transfer of inventory from (to) property and equipment 162 (89)
Share issuance for common stock contribution to 401(k) plan 152 155
Share issuance in lieu of cash compensation $ 0 $ 50

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