Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($)
$ in Thousands |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Statement Of Cash Flows [Abstract] |
|
|
| Net loss |
$ (85,182)
|
$ (49,754)
|
| Adjustments to reconcile net loss to net cash used in operating activities: |
|
|
| Depreciation and amortization |
941
|
544
|
| Stock-based compensation expense |
8,102
|
2,940
|
| Noncash interest expense |
772
|
|
| Noncash interest income |
(107)
|
|
| Impairment of intangible asset |
0
|
2,761
|
| Changes in fair value of contingent consideration |
(50)
|
(2,980)
|
| Other gains, net |
|
10
|
| Changes in operating assets and liabilities |
|
|
| Accounts receivable and other current assets |
4,621
|
(1,466)
|
| Accounts payable and accrued expenses |
1,474
|
9,524
|
| Other liabilities and other assets |
(438)
|
(569)
|
| Net cash used in operating activities |
(69,867)
|
(38,990)
|
| Investing activities |
|
|
| Purchase of fixed assets |
(314)
|
(686)
|
| Purchase of marketable securities |
(93,250)
|
|
| Proceeds from maturities of marketable securities |
24,966
|
|
| (Increase) decrease in restricted cash |
(1,197)
|
211
|
| Net cash used in investing activities |
(69,795)
|
(475)
|
| Financing activities |
|
|
| Proceeds from exercise of stock options |
11
|
245
|
| Proceeds from issuance of long-term debt, net of costs and debt discount |
|
19,357
|
| Proceeds from sale of common stock |
61,287
|
70,435
|
| Net cash provided by financing activities |
61,298
|
90,037
|
| Net decrease in cash and cash equivalents |
(78,364)
|
50,572
|
| Cash and cash equivalents at beginning of period |
131,302
|
95,856
|
| Cash and cash equivalents at end of period |
$ 52,938
|
146,428
|
| SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION |
|
|
| Fair value of warrants issued |
|
289
|
| Receivable from sale of stock |
|
$ 1,000
|