Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows

v3.8.0.1
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Operating activities:    
Net loss $ (7,901) $ (8,302)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 428 445
Inventory allowance expense 130 0
Provision for doubtful accounts (16) 0
(Gain) loss on change in fair value of warrant liabilities (732) 69
Stock-based compensation expense 892 394
Accretion of final payment fee of debt 23 24
Amortization of debt discounts 20 21
(Gain) loss on change in fair value of contingent liabilities (19) 12
Common stock contribution to 401(k) plan 56 0
Unrealized gain on foreign currency transactions (153) (34)
Changes in operating assets and liabilities:    
Accounts receivable (798) 532
Inventories (286) (470)
Prepaid expense and other assets 379 (188)
Deferred costs of revenue 0 (46)
Accounts payable 1,011 988
Accrued liabilities 80 (820)
Deferred revenues 141 121
Net cash used in operating activities (6,745) (7,254)
Investing activities:    
Acquisition of property and equipment (31) (138)
Net cash used in investing activities (31) (138)
Financing activities:    
Principal payments on note payable (399) (22)
Proceeds from exercise of stock options 0 24
Net cash (used in) provided by financing activities (399) 2
Effect of exchange rate changes on cash (66) (30)
Net decrease in cash (7,241) (7,420)
Cash at beginning of period 27,813 16,846
Cash at end of period 20,572 9,426
Supplemental disclosure of non-cash activities:    
Transfer of equipment from inventory 348 207
Share issuance for common stock contribution to 401(k) plan 508 0
Share issuance for employee bonuses 190 0
Equipois sales earn-out 28 0
Cumulative retrospective adjustment to retained earnings for ASU 2016-09 adoption $ 0 $ 171