Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Cash flows from operating activities:      
Net loss $ (22,397) $ (10,445) $ (14,411)
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation 774 488 362
Amortization of intangible assets 77 79 75
Amortization of deferred financing costs 81 246 125
Loss on disposal of equipment 1    
Loss on extinguishment of debt 2,186   750
Provision for bad debt 852 223 80
Provision for inventory write down 1,343 1,438 788
Changes in investment gains and losses (721)    
Share-based compensation 7,606 3,609 1,390
Interest added to note payable     1,924
Change in assets and liabilities:      
Accounts receivable (5,108) (3,236) (3,349)
Inventory (6,009) (3,295) (2,313)
Prepaid expenses and other (192) (342) (87)
Accounts payable and accrued expenses 3,711 1,927 3,411
Contract and other liabilities (66) 70 18
Net cash used in operating activities (17,862) (9,238) (11,237)
Cash flows from investing activities:      
Purchase of property and equipment (6,282) (1,105) (931)
Purchase of investments (114,736)    
Sale of investments 23,146    
Acquisition of intangible assets (321) (187) (226)
Net cash used for investing activities (98,193) (1,292) (1,157)
Cash flows from financing activities:      
Proceeds from issuance of common stock 132,964 15,891 18,767
Cash paid for equity offering (257) (228) (99)
Borrowing on revolving loan 26,253 57,599 6,685
Payments on revolving loan and prepayment penalties (30,489) (57,624) (6,685)
Repayments of long-term debt and prepayment penalties (22,513) (21) (2,446)
Debt issuance costs   (29) (801)
Proceeds from exercise of stock options 3,884 1,434 1,078
Net cash provided by financing activities 109,842 17,022 16,499
Net (decrease) increase in cash and cash equivalents (6,213) 6,492 4,105
Cash, cash equivalents, and restricted cash, beginning of year 36,507 30,015 25,910
Cash, cash equivalents and restricted cash, end of year 30,294 36,507 30,015
Supplemental disclosures of cash flow activity:      
Cash paid for interest 1,325 2,198 5,769
Supplemental disclosure of non-cash investing and financing activities:      
Payments of fixed assets in accounts payable and accrued expenses $ 335 55 32
Payments of long term debt with proceeds from term loan of $21,000 and revolver loan of $4,000     $ 25,000
Capital lease additions   $ 62