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Summary of Significant Accounting Policies | 3 Months Ended
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Mar. 31, 2020
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies |
2. | Summary of Significant Accounting Policies
The accompanying unaudited condensed consolidated financial statements and notes follow the same significant accounting policies as those described in the notes to the audited consolidated financial statements of the Company for the year ended December 31, 2019, except as described below. Basic and Diluted Net Loss per Share of Common Stock The Company calculates net loss per common share in accordance with ASC 260, Earnings Per Share. Basic net loss per common share for the three months ended March 31, 2020 and 2019 was determined by dividing net loss applicable to common stockholders by the weighted average number of common shares outstanding during the period. The following potentially dilutive shares of common stock have not been included in the computation of diluted net loss per share for the three months ended March 31, 2020 and 2019, as the result would be anti-dilutive:
| Three Months Ended March 31, |
| 2020 |  |  | 2019 |
Warrants to purchase Series C-1 Preferred |  | — |  |  |  | 14,033 |
Warrants to purchase common stock associated with Solar loan agreement |  | 122,435 |  |  |  | 122,435 |
Warrants to purchase common stock associated with June 2016 public offering |  | 4,218,750 |  |  |  | 4,218,750 |
Warrants to purchase common stock associated with March 2018 public offering – Series 2 |  | 7,988,175 |  |  |  | 7,988,175 |
Outstanding stock options |  | 7,684,762 |  |  |  | 5,310,498 |
Outstanding restricted stock units |  | 862,514 |  |  |  | 107,841 |
Common stock associated with 6% convertible senior notes |  | 11,382,000 |  |  |  | 13,008,000 |
Warrants to purchase common stock associated with December 2019 Public Offering |  | 44,722,222 |  |  |  | — |
Total |  | 76,980,858 |  |  |  | 30,769,732 |
Recently Issued Accounting Pronouncements In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”). The amendments in ASU 2016-13 require a financial asset (or a group of financial assets) measured at amortized cost basis to be presented at the net amount expected to be collected. In November 2019, the FASB issued ASU No. 2019-10, Financial Instruments – Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842) (“ASU 2019-10”), which revised the effective dates for ASU 2016-13 for public business entities that meet the SEC definition of a smaller reporting company to fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022, with early adoption permitted. As a smaller reporting company, the Company is currently evaluating the impact ASU 2016-13 will have on its consolidated financial statements. Recently Adopted Accounting Pronouncements In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement (“ASU 2018-13”). ASU 2018-13 removes, modifies and adds certain disclosure requirements in Topic 820, Fair Value Measurement. ASU 2018-13 eliminates certain disclosures related to transfers and the valuation process, modifies disclosures for investments that are valued based on net asset value, clarifies the measurement uncertainty disclosure, and requires additional disclosures for Level 3 fair value measurements. ASU 2018-13 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company adopted ASU 2018-13 during the three months ended March 31, 2020 and as a result, included the required additional disclosures for its Level 3 fair value measurements in its unaudited condensed consolidated financial statements (see Note 10). The Company did not identify any other material impacts of ASU 2018-13 on its unaudited condensed consolidated financial statements.

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- Definition The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Accounting policies describe all significant accounting policies of the reporting entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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