Stockholders' Equity - Summary of Outstanding Stock Warrants (Details) |
6 Months Ended |
|---|---|
|
Jun. 30, 2020
$ / shares
shares
| |
| Equity [Abstract] | |
| Number of Warrants Balance Beginning | shares | 182,191 |
| Number of Warrants Expired | shares | (17,969) |
| Number of Warrants Balance Ending | shares | 164,222 |
| Number of Warrants Exercisable | shares | 164,222 |
| Weighted Average Exercise Price Balance Beginning | $ / shares | $ 25.04 |
| Weighted Average Exercise Price Expired | $ / shares | 59.14 |
| Weighted Average Exercise Price Balance Ending | $ / shares | 21.30 |
| Weighted Average Exercise Price Exercisable | $ / shares | $ 21.30 |
| Weighted Average Remaining Contractual Life (in years) Balance Beginning | 2 years 9 months 18 days |
| Weighted Average Remaining Contractual Life (in years) Balance Ending | 1 year 9 months 18 days |
| Weighted Average Remaining Contractual Life (in years) Exercisable | 1 year 9 months 18 days |
| X | ||||||||||
- Definition Number of equity instruments non equity options exercisable, including both vested and non-vested instruments. No definition available.
|
| X | ||||||||||
- Definition Weighted Average Exercise Price, exercisable. No definition available.
|
| X | ||||||||||
- Definition Weighted Average Exercise Price Expired. No definition available.
|
| X | ||||||||||
- Definition Weighted Average Exercise Price, outstanding. No definition available.
|
| X | ||||||||||
- Definition Weighted Average Contractual Life in Years, outstanding. No definition available.
|
| X | ||||||||||
- Definition Weighted Average Contractual Life in Years, outstanding. No definition available.
|
| X | ||||||||||
- Definition Weighted Average Contractual Life in Years, exercisable. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|