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Summary of Significant Accounting Policies - Additional Information (Details) | 3 Months Ended
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Mar. 31, 2018 USD ($) Segment shares | Mar. 31, 2017 shares
Schedule Of Significant Accounting Policies [Line Items] |  |
Number of operating segment | Segment | 1 |
Number of Reportable Segments | Segment | 1 |
ASU 2014-09 |  |
Schedule Of Significant Accounting Policies [Line Items] |  |
Revenue or contract with customer | $ | $ 0 |
Options |  |
Schedule Of Significant Accounting Policies [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted loss per share | shares | 2,208,646 | 1,957,000
Warrants |  |
Schedule Of Significant Accounting Policies [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted loss per share | shares | 1,818,439 | 2,017,152
Minimum |  |
Schedule Of Significant Accounting Policies [Line Items] |  |
Effective income tax rate | 50.00% |
Leasehold Improvements |  |
Schedule Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 5 years |
Software and Hardware | Minimum |  |
Schedule Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 3 years |
Software and Hardware | Maximum |  |
Schedule Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 5 years |

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- Definition Schedule of significant accounting policies. + References No definition available. + Details
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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