Organization and Summary of Significant Accounting Policies - Antidilutive Securities Excluded from Computation of Earnings Per Shares (Details) - shares shares in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 328 | 341 |
| Stock Awards | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 31 | 36 |
| Warrant | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 297 | 256 |
| Convertible Debt | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 0 | 49 |