Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows

v3.20.1
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Cash flows from operating activities:    
Net loss $ (4,427) $ (11,708)
Reconciliation of net loss to net cash used in operating activities    
Depreciation 612 843
Amortization of intellectual property 45 48
Accretion of asset retirement obligation 12 11
Fair value of common stock issued for consulting services 24 1,187
Stock-based compensation 956 1,067
Warrant expense 0 578
Amortization of deferred financing costs 9 29
Non-cash convertible note interest expense 0 2,556
Non-cash interest expense 0 101
Loss on disposal of Ebonex asset 0 90
Loss on disposal of equipment 0 79
Inventory adjustment 0 (119)
Changes in operating assets and liabilities    
Accounts receivable 244 299
Inventory 48 (332)
Prepaid expenses and other current assets 558 (786)
Accounts payable (740) 493
Accrued expenses (1,522) (684)
Deferred rent 0 (35)
Other assets and liabilities (81) (21)
Net cash used in operating activities (4,262) (6,304)
Cash flows from investing activities:    
Purchases of property and equipment (1,563) (1,612)
Equipment deposits and other assets (36) 38
Insurance proceeds 4,748 0
Net cash provided by (used in) investing activities 3,149 (1,574)
Cash flows from financing activities:    
Proceeds from issuance of common stock, net of transaction costs 9,063
Payments on notes payable (76) (90)
Payments on convertible note (6,651)
Net cash provided by (used in) financing activities (76) 2,322
Net decrease in cash and cash equivalents (1,189) (5,556)
Cash and cash equivalents at beginning of period 7,575 20,892
Cash and cash equivalents at end of period 6,386 15,336
Supplemental disclosure of cash flows information    
Cash paid for income taxes 0 2
Cash paid for interest 161 188
Supplemental disclosure of non-cash transactions    
Change in accounts receivable resulting from insurance funds held in escrow 2,750 0
Change in property and equipment resulting from change in accounts payable (973) 455
Change in property and equipment resulting from change in accrued expenses (189) (103)
Change in equity resulting from change in accrued expenses $ 24 $ 0