| Stock Based Awards - Schedule of Common Stock Reserved Future Issuance (Details) - shares | Dec. 31, 2020 | Dec. 31, 2019 | 
|---|---|---|
| Share-based Payment Arrangement [Abstract] | ||
| Stock options issued and outstanding | 1,780,000 | 931,000 | 
| Shares authorized for future option grants | 2,263,000 | 3,588,000 | 
| Warrants outstanding | 243,000 | 243,000 | 
| Total | 4,286,000 | 4,762,000 | 
| X | ||||||||||
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- Definition Stock options issued and outstanding. No definition available. 
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| X | ||||||||||
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- Definition Number of warrants or rights outstanding. No definition available. 
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| X | ||||||||||
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- References No definition available. 
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| X | ||||||||||
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- 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 
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