Liquidity, Financial Condition, and Going Concern (Details) - USD ($) |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|---|
| Cash and cash equivalents | $ 225,390 | $ 41,651,965 | $ 5,529,848 |
| Working capital | 4,348,000 | ||
| Stockholders' equity | 4,491,012 | 49,627,399 | $ 14,920,359 |
| Accumulated deficit | 197,199,197 | $ 139,263,480 | |
| Investors [Member] | Senior Secured Convertible Promissory Notes [Member] | |||
| Debt instrument face amount | $ 3,358,333 |
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- Definition Working capital as measured by current assets less current liabilities. No definition available.
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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