Segment Information - Reconciliation of Total Segment Adjusted EBITDA to Net Loss (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Segment Reporting [Abstract] | ||
| Total Segment Adjusted EBITDA | $ 5,318 | $ 9,503 |
| Provision for income taxes | (957) | (929) |
| Interest expense | (189) | (268) |
| Other income (expense), net | 240 | (17) |
| Depreciation and amortization | (10,294) | (11,251) |
| Long-lived asset impairment* | (806) | (1,751) |
| Stock-based compensation expense | (1,456) | (1,616) |
| Restructuring costs | (1,483) | (959) |
| Certain legal and professional services fees | (1,934) | (1,733) |
| NET LOSS PER SHARE: | $ (11,561) | $ (9,021) |