XML 25 R7.htm IDEA: XBRL DOCUMENT v3.3.1.900
Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Cash flows from operating activities:      
Net loss $ (40,034,000) $ (34,720,000) $ (27,096,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:      
Depreciation and amortization 8,716,000 10,121,000 7,080,000
Stock-based compensation 16,861,000 12,359,000 4,282,000
Gain on settlement of contractual liability 0 (6,993,000) 0
Provision for doubtful accounts and sales returns 2,531,000 935,000 1,788,000
Other Noncash Income (Expense) (82,000) 32,000 2,000
Changes in operating assets and liabilities:      
Accounts receivable, net (5,977,000) (17,281,000) (15,549,000)
Inventory (430,000) (8,914,000) (8,489,000)
Prepaid expenses and other assets (405,000) (3,017,000) 1,588,000
Accounts payable 1,109,000 903,000 2,495,000
Accrued liabilities 5,345,000 6,724,000 2,133,000
Accrued litigation expenses 6,000 (6,066,000) (6,797,000)
Deferred revenue 15,584,000 15,989,000 13,525,000
Other 167,000 (610,000) (95,000)
Net cash provided by (used in) operating activities 3,391,000.000 (30,538,000) (25,133,000)
Cash flows from investing activities:      
Purchases of property and equipment (3,477,000) (6,100,000) (2,993,000)
Net cash used in investing activities (3,477,000) (6,100,000) (2,993,000)
Cash flows from financing activities:      
Proceeds from issuance of common stock under employee equity incentive plans, net of repurchases 6,019,000 7,030,000 2,392,000
Proceeds from initial public offering, net of offering costs 0 121,017,000 (656,000)
Proceeds from issuance of Series D redeemable convertible preferred stock, net of issuance costs 0 0 79,444,000
Principal payments on convertible promissory note in relation to settlement of litigation 0 0 (70,000,000)
Proceeds from revolving credit facility 0 0 33,988,000
Principal payments on revolving credit facility 0 (20,000,000) (20,000,000)
Principal payments on term loan 0 0 (631,000)
Proceeds from exercise of convertible preferred stock warrants 0 0 813,000
Other 279,000 (297,000) (298,000)
Net cash provided by financing activities 6,298,000 107,750,000 25,052,000
Net increase (decrease) in cash and cash equivalents 6,212,000 71,112,000 (3,074,000)
Cash and cash equivalents—beginning of period 91,905,000 20,793,000 23,867,000
Cash and cash equivalents—end of period 98,117,000 91,905,000 20,793,000
Supplemental Disclosures of Cash Flow Information:      
Cash paid for income taxes, net of refunds 980,000 1,108,000 698,000
Cash paid for interest 170,000 503,000 1,208,000
Supplemental Disclosure of Non-Cash Investing and Financing Activities:      
Inventory transfers to property and equipment 2,840,000 5,379,000 5,638,000
Vesting of early exercised stock options 444,000 771,000 654,000
Purchases of property and equipment included in accounts payable and accrued liabilities 486,000 78,000 167,000
Conversion of preferred stock into common stock 0 127,325,000 0
Accretion of Series D redeemable convertible preferred stock 0 1,150,000 1,982,000
Costs related to the initial public offering included in accounts payable and accrued liabilities 0 75,000 1,776,000
Issuance of convertible promissory note in relation to settlement of litigation 0 0 70,000,000
Reclassification of the convertible preferred stock warrant liability to additional paid-in capital upon the exercise of the convertible preferred stock warrants $ 0 $ 0 $ 2,199,000