|
Income Taxes (Tables)
|
12 Months Ended |
|
Dec. 31, 2013
|
| Income Taxes |
|
| Summary of income before income tax provision |
|
|
|
Year ended December 31,
|
|
|
|
|
2013
|
|
2012
|
|
2011
|
|
|
Current:
|
|
|
|
|
|
|
|
|
Domestic
|
|
$
|
4,074
|
|
$
|
2,702
|
|
$
|
10,291
|
|
|
Foreign
|
|
1,638
|
|
366
|
|
289
|
|
|
Total
|
|
$
|
5,712
|
|
$
|
3,068
|
|
$
|
10,580
|
|
| Summary of components of the income tax provision charged to operations |
|
|
|
|
|
|
|
|
|
|
|
Year ended December 31,
|
|
|
|
|
2013
|
|
2012
|
|
2011
|
|
|
Current:
|
|
|
|
|
|
|
|
|
Federal
|
|
$
|
3,432
|
|
$
|
1,280
|
|
$
|
261
|
|
|
State
|
|
699
|
|
235
|
|
459
|
|
|
Foreign
|
|
468
|
|
946
|
|
94
|
|
|
|
|
4,599
|
|
2,461
|
|
814
|
|
|
|
|
|
|
|
|
|
|
|
Deferred:
|
|
|
|
|
|
|
|
|
Federal
|
|
$
|
(2,059
|
)
|
(48
|
)
|
2,243
|
|
|
State
|
|
(492
|
)
|
170
|
|
(60
|
)
|
|
Foreign
|
|
4
|
|
20
|
|
(22
|
)
|
|
|
|
(2,547
|
)
|
142
|
|
2,161
|
|
|
|
|
|
|
|
|
|
|
|
Total
|
|
$
|
2,052
|
|
$
|
2,603
|
|
$
|
2,975
|
|
|
| Schedule of net deferred tax assets (liabilities) |
|
|
|
At December 31,
|
|
|
|
|
2013
|
|
2012
|
|
|
|
|
|
|
|
|
|
Current:
|
|
|
|
|
|
|
Deferred revenue
|
|
$
|
—
|
|
$
|
346
|
|
|
Prepaid expenses and accruals
|
|
135
|
|
(108
|
)
|
|
Net operating loss and tax credit carryforwards
|
|
2,702
|
|
2,563
|
|
|
Total current deferred tax assets
|
|
2,837
|
|
2,801
|
|
|
Less valuation allowance
|
|
(375
|
)
|
(712
|
)
|
|
Net current deferred tax assets
|
|
2,462
|
|
2,089
|
|
|
|
|
|
|
|
|
|
Non-current:
|
|
|
|
|
|
|
Deferred rent and lease incentives
|
|
2,017
|
|
2,212
|
|
|
Net operating loss and tax credit carryforwards
|
|
14,210
|
|
13,980
|
|
|
Loss on investments
|
|
(10
|
)
|
2,157
|
|
|
Property and equipment and intangible assets
|
|
(10,193
|
)
|
(13,284
|
)
|
|
Stock compensation expense
|
|
5,004
|
|
3,058
|
|
|
Other
|
|
(284
|
)
|
180
|
|
|
Total long-term deferred tax assets
|
|
10,744
|
|
8,303
|
|
|
Less valuation allowance
|
|
(2,377
|
)
|
(2,109
|
)
|
|
Net long-term deferred tax assets
|
|
$
|
8,367
|
|
$
|
6,194
|
|
|
| Summary of expected tax provision |
|
|
|
Year ended December 31,
|
|
|
|
|
2013
|
|
2012
|
|
2011
|
|
|
|
|
|
|
|
|
|
|
|
Tax provision, at U.S. federal statutory tax rate
|
|
$
|
1,942
|
|
$
|
1,043
|
|
$
|
3,597
|
|
|
|
|
|
|
|
|
|
|
|
State income tax, net of federal tax benefit
|
|
149
|
|
64
|
|
449
|
|
|
Effect of permanent items
|
|
581
|
|
414
|
|
487
|
|
|
Change in assertion over permanent reinvestment of foreign earnings
|
|
—
|
|
—
|
|
(234
|
)
|
|
Effect of return to provision adjustment
|
|
(733
|
)
|
(81
|
)
|
(113
|
)
|
|
Change in valuation allowance
|
|
—
|
|
(620
|
)
|
—
|
|
|
Effect of contract settlement
|
|
—
|
|
—
|
|
(1,186
|
)
|
|
Effect of change in state income tax rate
|
|
—
|
|
691
|
|
—
|
|
|
Uncertain tax positions
|
|
1,016
|
|
1,105
|
|
(25
|
)
|
|
Foreign income taxes
|
|
(328
|
)
|
(93
|
)
|
—
|
|
|
State income tax adjustments
|
|
(24
|
)
|
62
|
|
—
|
|
|
Effect of repatriation of foreign earnings
|
|
582
|
|
—
|
|
—
|
|
|
Research and development credits
|
|
(1,246
|
)
|
—
|
|
—
|
|
|
Other
|
|
113
|
|
18
|
|
—
|
|
|
Income tax provision
|
|
$
|
2,052
|
|
$
|
2,603
|
|
$
|
2,975
|
|
|
| Schedule of reconciliation of the beginning and ending amount of unrecognized tax benefit |
|
|
|
Year ended December 31,
|
|
|
|
|
2013
|
|
2012
|
|
2011
|
|
|
Unrecognized tax benefits balance at beginning of year
|
|
$
|
1,097
|
|
$
|
364
|
|
$
|
415
|
|
|
Additions based on tax positions related to the current year
|
|
181
|
|
517
|
|
128
|
|
|
Additions based on tax positions related to prior years
|
|
1,045
|
|
474
|
|
55
|
|
|
Reductions for settlements with taxing authorities related to prior years
|
|
(56
|
)
|
—
|
|
—
|
|
|
Reductions for lapses of statute of limitations
|
|
(209
|
)
|
(258
|
)
|
(235
|
)
|
|
Unrecognized tax benefits balance at end of year
|
|
$
|
2,058
|
|
$
|
1,097
|
|
$
|
364
|
|
|