Income Taxes - Deferred Tax Assets And Liabilities (Details) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Significant components of the Company's deferred tax assets and liabilities |
|
|
| Valuation allowance |
$ (101,400)
|
$ (74,100)
|
| U.S. |
|
|
| Significant components of the Company's deferred tax assets and liabilities |
|
|
| Deferred revenue |
8,713
|
7,017
|
| Other reserves and accruals |
1,703
|
6,411
|
| Tax credit carryforwards |
1,218
|
798
|
| Property, plant and equipment |
754
|
1,803
|
| Amortization of stock-based compensation |
17,167
|
13,145
|
| Capitalized research & development expenditures |
16,935
|
13,431
|
| Net operating loss carryforwards |
43,929
|
27,202
|
| Total deferred tax asset |
90,419
|
69,807
|
| Valuation allowance |
(85,731)
|
(62,584)
|
| Net deferred tax assets |
4,688
|
7,223
|
| Intangible assets |
(177)
|
(220)
|
| Non-employee stock based compensation |
(1,628)
|
(1,556)
|
| Section 382 recognized built in loss |
(2,883)
|
(5,447)
|
| Net deferred tax liability |
(4,688)
|
(7,223)
|
| Foreign |
|
|
| Significant components of the Company's deferred tax assets and liabilities |
|
|
| Intangible assets |
1,614
|
1,469
|
| Tax credit carryforwards |
1,216
|
65
|
| Property, plant and equipment |
|
389
|
| Capitalized research & development expenditures |
4,352
|
4,008
|
| Net operating loss carryforwards |
8,624
|
5,797
|
| Total deferred tax asset |
15,806
|
11,728
|
| Valuation allowance |
(15,646)
|
(11,520)
|
| Net deferred tax assets |
160
|
208
|
| Property, plant and equipment |
(160)
|
(208)
|
| Net deferred tax liability |
$ (160)
|
$ (208)
|