v2.4.0.6

Income taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Income taxes |
Schedule of income taxes by jurisdiction |
|  | 2012 |  | 2011 |  | 2010 |
--- | --- | --- | --- | --- | --- | --- | ---
U.S. federal: |  |  |  |  |  |  |  |  |  |
Current |  | $ | 1,651 |  | $ | 1,971 |  | $ | 214 |
Deferred |  |  | 1,189 |  |  | 2,261 |  |  | (10,360 | )
Total U.S. federal |  | $ | 2,840 |  | $ | 4,232 |  | $ | (10,146 | )
U.S. state and local: |  |  |  |  |  |  |  |  |  |
Current |  | $ | 327 |  | $ | 1,092 |  | $ | 1,193 |
Deferred |  |  | (202 | ) |  | (1,260 | ) |  | 50 |
Total U.S. state and local |  | $ | 125 |  | $ | (168 | ) | $ | 1,243 |
Schedule of reconciliation of tax rates |
|  | 2012 |  | 2011 |  | 2010 |
--- | --- | --- | --- | --- | --- | --- | ---
Federal statutory rate |  |  | 34.0 | % |  | 34.0 | % |  | 34.0 | %
State and local |  |  | 1.1 |  |  | (0.7 | ) |  | 16.7 |
Stock options |  |  | (2.6 | ) |  | 1.9 |  |  | 4.0 |
Non-controlling interests |  |  | (2.2 | ) |  | (2.0 | ) |  | (2.6 | )
Valuation allowance |  |  | — |  |  | — |  |  | (172.9 | )
Other |  |  | (3.3 | ) |  | 3.8 |  |  | (2.6 | )
Income taxes |  |  | 27.0 | % |  | 37.0 | % |  | (123.4 | )%
Schedule of deferred tax assets and liabilities |
|  | 2012 |  | 2011 |
--- | --- | --- | --- | --- | ---
Deferred tax assets: |  |  |  |  |  |  |
Net operating loss carryforwards |  | $ | 1,917 |  | $ | 3,735 |
Outside basis differences for U.S. partnerships |  |  | 3,289 |  |  | 3,524 |
Stock options |  |  | 2,086 |  |  | 1,397 |
Deferred revenue |  |  | 873 |  |  | 1,014 |
Deferred compensation |  |  | 340 |  |  | 407 |
State taxes |  |  | 5 |  |  | — |
Other |  |  | 347 |  |  | 455 |
Valuation allowance |  |  | (1,669 | ) |  | (1,822 | )
Net deferred tax assets |  |  | 7,188 |  |  | 8,710 |
Deferred tax liabilities: |  |  |  |  |  |  |
Intangible assets |  |  | (1,539 | ) |  | (1,202 | )
State taxes |  |  | — |  |  | (926 | )
Property and equipment |  |  | (189 | ) |  | (133 | )
Net deferred tax liabilities |  |  | (1,728 | ) |  | (2,261 | )
Net deferred taxes |  | $ | 5,460 |  | $ | 6,449 |
Summary of changes in uncertain tax positions |
|  | Uncertain Tax Positions |
--- | --- | --- | ---
Balance, December 31, 2010 |  | $ | 106 |
Additions for current period tax positions |  |  | 286 |
Balance, December 31, 2011 and 2012 |  | $ | 392 |
Schedule of changes in the valuation allowance |
|  | Valuation Allowance |
--- | --- | --- | ---
Balance, December 31, 2009 |  | $ | 14,989 |
Additions charged to operations |  |  | 400 |
Decrease credited to operations |  |  | (12,280 | )
Balance, December 31, 2010 |  |  | 3,109 |
Decrease credited to operations |  |  | (1,287 | )
Balance, December 31, 2011 |  |  | 1,822 |
Additions charged to operations |  |  | 51 |
Decrease credited to operations |  |  | (204 | )
Balance, December 31, 2012 |  | $ | 1,669 |

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