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 $ (21,516) $ (16,851) $ (15,371)
Adjustments to reconcile net loss to net cash and cash equivalents used in operating activities:      
Depreciation and amortization 945 1,203 1,048
Loss (gain) on disposal of assets, net 1,228 505 (2)
Provision (recovery) for bad debts, net 469 40 (118)
Provision for inventory excess and obsolescence 166 623 272
Amortization of discount on debt 202    
Amortization of debt issuance costs 126    
Loss on patent litigation settlement 1,500    
Stock-based compensation 2,768 2,207 3,065
Deferred income taxes (27) (694) 60
Earned interest income, net 1 (42) (70)
Changes in operating assets and liabilities:      
Accounts receivable (1,458) (337) (644)
Inventory (127) 419 (1,989)
Prepaid expenses and other current assets (25) (11) 79
Accounts payable, accrued and other liabilities 1,762 (5,077) 3,338
Deferred revenue (161) (397) (264)
Net cash and cash equivalents used in operating activities (14,147) (18,412) (10,596)
Cash Flows From Investing Activities:      
Purchases of property, plant, and equipment (558) (747) (1,414)
Proceeds from disposal of property, plant, and equipment 36    
Net cash and cash equivalents used in investing activities (522) (747) (1,414)
Cash Flows From Financing Activities:      
Principal payments under capital lease obligation (46) (146) (171)
Borrowings under lines of credit 3,696    
Payments under lines of credit (3,696)    
Proceeds from term loan 12,500    
Payments of debt issuance costs (1,058)    
Proceeds from equity offerings, net of expenses   21,761 9,520
Payments of equity offering costs (164)    
Proceeds from exercise of stock options 3 3 1
Net cash and cash equivalents provided by financing activities 11,235 21,618 9,350
Effect of exchange rate changes (106) 262 (64)
(Decrease) increase in cash and cash equivalents (3,540) 2,721 (2,724)
Cash, cash equivalents and restricted cash, beginning of year 11,896 9,175 11,899
Cash, cash equivalents and restricted cash, end of year 8,356 11,896 9,175
Supplemental cash flow disclosure - Cash Paid:      
Interest paid 23 1 4
Interest received   74 74
Income taxes paid 44 164 76
Supplemental cash flow disclosure - Non-cash investing and financing activities      
Accrued capital expenditures and tenant improvement allowance 31 $ 102 $ 251
Increase in accrued and other liabilities due to loss on patent litigation 1,500    
Warrants issued in connection with debt instruments $ 847