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Stockholders' Equity - Summary of Stock Option Shares Outstanding and Exercisable (Details) - shares | 12 Months Ended |
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Dec. 31, 2020 | Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Outstanding Number of Options | 1,078,499 | 1,640
Weighted Average Remaining Contractual Term (Years), Outstanding | 9 years 9 months 18 days |
Number of Shares, Exercisable | 87,834 |
$10 - $15 [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Outstanding Number of Options | 946,000 |
Weighted Average Remaining Contractual Term (Years), Outstanding | 9 years 9 months 18 days |
Number of Shares, Exercisable | 78,835 |
$15 - $20 [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Outstanding Number of Options | 81,000 |
Weighted Average Remaining Contractual Term (Years), Outstanding | 9 years 9 months 18 days |
Number of Shares, Exercisable | 4,250 |
$20 - $25 [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Outstanding Number of Options | 51,000 |
Weighted Average Remaining Contractual Term (Years), Outstanding | 9 years 9 months 18 days |
Number of Shares, Exercisable | 4,250 |
+ $25 [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Outstanding Number of Options | 499 |
Weighted Average Remaining Contractual Term (Years), Outstanding | 8 years 1 month 6 days |
Number of Shares, Exercisable | 499 |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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