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Income Tax Disclosure (Tables) | 12 Months Ended
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Dec. 31, 2014
Schedule of income tax components [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] | The income tax provision (benefit) consisted of the following for the years ended December 31, 2014, 2013 and 2012:
| Year Ended December 31,
| 2014 |  | 2013 |  | 2012
Current: |  |  |  |  |
Federal | $ | (935 | ) |  | $ | 2,444 |  |  | $ | 2,015 |
State and Foreign | 790 |  |  | 160 |  |  | 74 |
| (145 | ) |  | 2,604 |  |  | 2,089 |
Deferred: |  |  |  |  |
Federal | 12,334 |  |  | (2,651 | ) |  | 1,030 |
State | 304 |  |  | (126 | ) |  | (68 | )
Income tax provision (benefit) | $ | 12,493 |  |  | $ | (173 | ) |  | $ | 3,051 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] | The differences between the effective tax rates reflected in the total provision for income taxes and the U.S. federal statutory rate of 34% for the years ended December 31, 2014, 2013 and 2012, respectively, were as follows:
| Year Ended December 31,
| 2014 |  | 2013 |  | 2012
Provision at the U.S. federal statutory rate | $ | (8,520 | ) |  | $ | 1,113 |  |  | $ | 2,726 |
Increase (decrease) resulting from: |  |  |  |  |
State income taxes, net of federal taxes | 49 |  |  | (583 | ) |  | (84 | )
Nondeductible expenses | 653 |  |  | 235 |  |  | 214 |
Acquisition-related expense | 434 |  |  | 606 |  |  | — |
Purchase accounting - Statutory to GAAP income adjustment | 990 |  |  | — |  |  | — |
Foreign Tax Expense | 837 |  |  | 135 |  |  | 111 |
Domestic production activities | — |  |  | (47 | ) |  | (146 | )
Nondeductible noncash share based compensation | 1,784 |  |  | 1,308 |  |  | 622 |
Incremental benefits from prior years' tax credits | 59 |  |  | (1,254 | ) |  | (439 | )
Incremental benefits for tax credits | (3,259 | ) |  | (2,165 | ) |  | (111 | )
Change in tax rate/income subject to lower tax rates and other | (40 | ) |  | (30 | ) |  | 158 |
Change in valuation allowance | 19,506 |  |  | 509 |  |  | — |
| $ | 12,493 |  |  | $ | (173 | ) |  | $ | 3,051 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and liabilities as of December 31, 2014 and 2013 are as follows:
| Year Ended December 31,
| 2014 |  | 2013
Current deferred tax assets: |  |  |
State deferred | $ | 185 |  |  | $ | (7 | )
Accruals not currently deductible | 178 |  |  | (191 | )
Current deferred revenue | 1,664 |  |  | 2,601 |
Total current deferred tax assets | 2,027 |  |  | 2,403 |
Less: valuation allowance | (1,953 | ) |  | (270 | )
Total current deferred tax assets | 74 |  |  | 2,133 |
Noncurrent deferred tax (liability) assets: |  |  |
Property and equipment | (2,186 | ) |  | (1,786 | )
Noncash share based compensation | 9,095 |  |  | 7,808 |
State deferred | 217 |  |  | 292 |
Capitalized software | (897 | ) |  | (1,541 | )
Amortization | (2,193 | ) |  | (2,366 | )
R&E tax credit carryforwards | 4,316 |  |  | 2,708 |
Deferred revenue | 56 |  |  | 431 |
Federal Net Operating Losses ("NOLs") | 5,733 |  |  | 4,724 |
State NOLs | 537 |  |  | 813 |
State Credits | 1,240 |  |  | 509 |
Foreign NOLs | 10,111 |  |  | — |
Foreign tax credit carryforward | 837 |  |  | — |
Other | (21 | ) |  | — |
Total noncurrent deferred tax assets | 26,845 |  |  | 11,592 |
Less: valuation allowance | (26,919 | ) |  | (1,087 | )
Total noncurrent deferred tax (liability) assets | (74 | ) |  | 10,505 |
Total net deferred tax assets | $ | — |  |  | $ | 12,638 |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] | The following table sets forth the changes to the Company's unrecognized tax benefit for the year ended December 31, 2014, 2013 and 2012:
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
Beginning Balance |  | $ | 349 |  |  | $ | 349 |  |  | $ | 349 |
Changes based on tax positions related to prior year |  | 46 |  |  | — |  |  | — |
Ending Balance |  | $ | 395 |  |  | $ | 349 |  |  | $ | 349 |
The table above has been updated to reflect gross tax liability, exclusive of interest and penalties and other offsetting amounts.

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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