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Summary of Significant Accounting Policies Significant Accounting Policies (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Summary of Significant Accounting Policies [Line Items] |  |  |
Unamortized Debt Issuance Expense | $ 200,000 |  |
Treasury money market funds, at fair value | 26,700,000 |  | 21,000,000
Internal-use software development costs capitalized | 730,000 | 796,000 |
Effective income tax rate | 6.00% | (196.00%) |
Discrete tax benefit related to R&D credit |  | 1,400,000 |
Federal statutory income tax rate | 34.00% |  |
Amortization of Financing Costs | 12,500 |  |
Line of Credit Facility, Amount Outstanding | 0 |  |
Cloud-based product offerings [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Internal-use software development costs capitalized | 700,000 | 900,000 |
Capitalized Computer Software, Amortization | $ 100,000 |  |
Maximum [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 4 years |  |

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- Definition Amount of internal-use software development costs capitalized by the company in the period and included in property and equipment, net in the consolidated balance sheet. + References No definition available. + Details
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