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Balance Sheet Components (Tables) | 12 Months Ended
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Dec. 31, 2018
Balance Sheet Related Disclosures [Abstract] |
Schedule of Other Assets | Prepaid expenses and other consist of the following (in thousands):
| December 31,
| 2018 |  | 2017
Prepaid expenses | $ | 1,780 |  |  | $ | 1,859 |
Other current assets | 167 |  |  | 282 |
Total prepaid expenses and other | $ | 1,947 |  |  | $ | 2,141 |
Schedule of Property and Equipment | Property and equipment consist of the following (in thousands):
| December 31,
| 2018 |  | 2017
Computer hardware and software | $ | 3,353 |  |  | $ | 3,337 |
Office equipment and office furniture | 7,814 |  |  | 8,002 |
Capitalized internal-use software and website development | 4,383 |  |  | 4,383 |
Leasehold improvements | 6,140 |  |  | 6,629 |
| 21,690 |  |  | 22,351 |
Less accumulated depreciation and amortization | (17,900 | ) |  | (17,430 | )
Total | $ | 3,790 |  |  | $ | 4,921 |
Changes in Allowance for Doubtful Accounts and Reserve for Subscriber Refunds | Changes to the allowance for doubtful accounts and reserve for member refunds are as follows (in thousands):
| Allowance for doubtful accounts |  | Reserve for member refunds
Balance at January 1, 2016 | $ | 384 |  |  | $ | 530 |
Additions — charged to costs and expenses, or contra revenue, net | 107 |  |  | 507 |
Deductions — recoveries of amounts previously charged-off | (89 | ) |  | — |
Deductions — write-offs | (107 | ) |  | (563 | )
Balance at December 31, 2016 | 295 |  |  | 474 |
Additions — charged to costs and expenses, or contra revenue, net | 158 |  |  | 942 |
Deductions — recoveries of amounts previously charged-off | (125 | ) |  | — |
Deductions — write-offs | (13 | ) |  | (886 | )
Balance at December 31, 2017 | 315 |  |  | 530 |
Additions — charged to costs and expenses, or contra revenue, net | 482 |  |  | 688 |
Deductions — recoveries of amounts previously charged-off | (104 | ) |  | — |
Deductions — write-offs | (1 | ) |  | (839 | )
Balance at December 31, 2018 | $ | 692 |  |  | $ | 379 |
Schedule of Accrued Expenses | Accrued expenses and other consist of the following (in thousands):
| December 31,
| 2018 |  | 2017
Accrued advertising expense | $ | 1,875 |  |  | $ | 1,727 |
Accrued compensation expense | 2,813 |  |  | 3,540 |
Reserve for member refunds | 382 |  |  | 539 |
Other accrued expenses | 2,266 |  |  | 2,396 |
Deferred rent | 517 |  |  | 500 |
Total accrued expenses and other | $ | 7,853 |  |  | $ | 8,702 |

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