Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]  
Schedule of Income before Income Tax, Domestic and Foreign
For the years ended December 31, 2013 and 2012, and the cumulative period from Inception through December 31, 2013, loss from continuing operations before taxes consists of the following:  
 
 
 
For the year ended December 31,
 
Cumulative
from Inception through
 
 
 
2013
 
2012
 
December 31, 2013
 
U.S.
 
$
(41,204)
 
$
(17,673)
 
$
(61,631)
 
Non-U.S.
 
 
(544)
 
 
(736)
 
 
(1,280)
 
 
 
$
(41,748)
 
$
(18,409)
 
$
(62,911)
 
Schedule of Components of Income Tax Expense (Benefit)
Income tax expense attributable to the operating loss of continuing and discontinued operations consists of the following:   
 
 
For the year ended December 31,
 
Cumulative
from Inception through
 
 
 
2013
 
2012
 
December 31, 2013
 
U.S. (continuing operations)
 
 
 
 
 
 
 
 
 
 
Current
 
$
 
$
 
$
 
Deferred
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Non-U.S (discontinued operations)
 
 
 
 
 
 
 
 
 
 
Current
 
 
(245)
 
 
(112)
 
 
(357)
 
Deferred
 
 
(12)
 
 
57
 
 
45
 
 
 
$
(257)
 
$
(55)
 
$
(312)
 
Schedule of Effective Income Tax Rate Reconciliation
Income tax expense attributable to continuing operations differed from the amounts computed by applying the U.S. federal income tax rate of 35% to loss from continuing operations before taxes on income as a result of the following:
 
 
 
For the year ended December 31, 2012
 
 
Cumulative
from Inception
through
December 31,
 
 
 
2013
 
 
2012
 
 
2013
 
Loss from continuing operations before taxes on income
 
$
(41,748)
 
 
$
(18,409)
 
 
$
(62,911)
 
Tax rate
 
 
35
%
 
 
35
%
 
 
35
%
 
 
 
 
 
 
 
 
 
 
 
 
 
Computed "expected" tax benefit
 
 
14,612
 
 
 
6,443
 
 
 
22,019
 
Foreign tax rate differential
 
 
(122)
 
 
 
(147)
 
 
 
(269)
 
Change in valuation allowance
 
 
(17,085)
 
 
 
(7,461)
 
 
 
(25,777)
 
Nondeductible expenses
 
 
(125)
 
 
 
(15)
 
 
 
(140)
 
State and local income tax, net of federal income tax expense
 
 
2,714
 
 
 
1,197
 
 
 
3,911
 
Other items
 
 
6
 
 
 
(17)
 
 
 
256
 
Income tax expense attributable to continuing operations
 
$
 
 
$
 
 
$
 
Deferred Tax Assets and Liabilities
These deferred tax assets (liabilities) arise from the following types of temporary differences:
 
 
 
For the year ended December 31,
 
 
 
2013
 
2012
 
Deferred tax assets:
 
 
 
 
 
 
 
Acquired patents (see also Note 5)
 
$
 
$
446
 
Liability for accrued employee vacation and severance pay
 
 
7
 
 
19
 
Stock-based compensation
 
 
8,104
 
 
4,590
 
Net operating loss carryforwards
 
 
36,605
 
 
23,127
 
Total gross deferred tax assets
 
 
44,716
 
 
28,182
 
 
 
 
 
 
 
 
 
Less:
 
 
 
 
 
 
 
Valuation allowance
 
 
(44,445)
 
 
(24,274)
 
Deferred tax liability for acquired technology (refer to Note 8):
 
 
(264)
 
 
(3,889)
 
 
 
 
 
 
 
 
 
Net deferred tax assets
 
$
7
 
$
19
Summary of Valuation Allowance
The following table presents the changes to valuation allowance during the periods presented: 
 
 
 
Amount
 
As of Inception
 
$
 
Charged to cost and expenses
 
 
1,231
 
 
 
 
 
 
As of December 31, 2011
 
 
1,231
 
Charged to cost and expenses
 
 
12,240
 
Acquisitions *
 
 
10,803
 
 
 
 
 
 
As of December 31, 2012
 
 
24,274
 
Charged to cost and expenses – continuing operations
 
 
17,085
 
Charged to cost and expenses – discontinued operations
 
 
3,086
 
 
 
 
 
 
As of December 31, 2013
 
$
44,445
 
 
* As mentioned below, the NOL amounts are presented before Internal Revenue Code, Section 382 limitations.