Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v3.8.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2017
Income Tax Disclosure [Abstract]  
Schedule of domestic and foreign components of pre-tax loss
The domestic and foreign components of pre-tax loss for the years ended December 31, 2017, 2016, and 2015 were as follows: 
 
 
Years Ended December 31,
 
 
 
2017
 
2016
 
2015
 
Domestic
 
$
(26,434)
 
$
(21,458)
 
$
(19,918)
 
Foreign
 
 
(2,688)
 
 
(2,012)
 
 
328
 
Loss before income taxes
 
$
(29,122)
 
$
(23,470)
 
$
(19,590)
 
Schedule of income tax expense (benefit) differed from the amounts computed by applying the statutory federal income tax rate to pretax income (loss)
Income tax expense (benefit) for the years ended December 31, 2017, 2016, and 2015 differed from the amounts computed by applying the statutory federal income tax rate of 34% to pretax income (loss) as a result of the following:
 
 
 
Years Ended December 31,
 
 
 
2017
 
2016
 
2015
 
Federal tax at statutory rate
 
 
34.0
%
 
34.0
%
 
34.0
%
State tax, net of federal tax effect
 
 
-
 
 
-
 
 
-
 
R&;D credit
 
 
1.2
 
 
0.9
 
 
0.5
 
Change in valuation allowance
 
 
18.9
 
 
(40.8)
 
 
(38.4)
 
Deferred tax impacts of the Tax Act
 
 
(59.1)
 
 
-
 
 
-
 
Unrealized (gain) loss on warrant
 
 
3.1
 
 
6.2
 
 
4.3
 
Foreign
 
 
(0.4)
 
 
(0.4)
 
 
0.5
 
Other
 
 
2.3
 
 
0.3
 
 
0.1
 
Total tax expense
 
 
-
%
 
-
%
 
-
%
Schedule of tax effects of temporary differences and related deferred tax assets and liabilities
The tax effects of temporary differences and related deferred tax assets and liabilities as of December 31, 2017 and 2016 were as follows:
 
 
 
December 31,
 
 
 
2017
 
2016
 
 
 
 
 
 
 
 
 
Deferred tax assets:
 
 
 
 
 
 
 
Depreciation and other
 
$
242
 
$
61
 
Net operating loss carryforwards
 
 
31,590
 
 
35,647
 
Unused R&; D tax credits
 
 
1,359
 
 
872
 
Accruals &; reserves
 
 
524
 
 
951
 
Deferred Revenue
 
 
253
 
 
246
 
Stock Compensation
 
 
2,277
 
 
2,430
 
Other
 
 
42
 
 
86
 
Deferred tax liabilities:
 
 
 
 
 
 
 
Depreciation and other
 
 
-
 
 
-
 
Prepaid expenses
 
 
(314)
 
 
(168)
 
Less: Valuation allowance
 
 
(35,973)
 
 
(40,125)
 
Net deferred tax asset (liability)
 
$
-
 
$
-
 
Schedule of reconciliation of the beginning and ending amount of unrecognized tax benefits
A reconciliation of the beginning and ending amount of unrecognized tax benefits were as follows:
 
Balance at December 31, 2013
 
$
93
 
Increase of unrecognized tax benefits taken in prior years
 
 
4
 
Increase of unrecognized tax benefits related to current year
 
 
46
 
Balance at December 31, 2014
 
 
143
 
Decrease of unrecognized tax benefits taken in prior years
 
 
(19)
 
Increase of unrecognized tax benefits related to current year
 
 
75
 
Balance at December 31, 2015
 
 
199
 
Increase of unrecognized tax benefits taken in prior years
 
 
4
 
Increase of unrecognized tax benefits related to current year
 
 
132
 
Balance at December 31, 2016
 
 
335
 
Increase of unrecognized tax benefits taken in prior years
 
 
33
 
Increase of unrecognized tax benefits related to current year
 
 
119
 
Balance at December 31, 2017
 
$
487