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Supplemental Consolidated Balance Sheet and Statement of Operations Information | 3 Months Ended
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Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Supplemental Consolidated Balance Sheet and Statement of Operations Information | Supplemental Consolidated Balance Sheet and Statement of Operations Information Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consisted of (in thousands):
| March 31, 2018 |  | December 31, 2017
Accrued vacation | $ | 6,849 |  | $ | 6,087
Accrued commissions | 2,898 |  | 3,297
Accrued bonuses | 3,587 |  | 4,419
Estimated health insurance claims | 1,000 |  | 1,090
ESPP employee contributions | 1,016 |  | 1,419
Customer deposits | 6,851 |  | —
Accrued other liabilities | 4,182 |  | 3,900
| $ | 26,383 |  | $ | 20,212
Other Income, net Other income, net for the three months ended March 31, 2018 and 2017 consisted of (in thousands):
| Three months ended March 31,
| 2018 |  | 2017
Interest income | $ | 223 |  | $ | 91
Income from training reimbursement program | 108 |  | 538
Other | 12 |  | (17)
| $ | 343 |  | $ | 612

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