CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) - USD ($) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2019 |
Dec. 31, 2017 |
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| Preferred stock issuance costs | $ 16,901 | |
| Issuance costs from convertible multi-draw credit agreement | $ 9,301 | $ 154,092 |
| Value of warrants issued to purchase shares of common stock for consulting services | 30,000 | |
| Preferred deemed dividend | 1,044,000 | |
| Series D Preferred Stock | ||
| Preferred stock issuance costs | 183,343 | |
| Preferred deemed dividend | 536,000 | |
| Series F Preferred stock | ||
| Preferred stock issuance costs | 118,855 | |
| Preferred deemed dividend | 333,000 | |
| Series C Preferred Stock | ||
| Preferred deemed dividend | $ 175,000 |
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- Definition Adjustment for noncash service expenses paid for by granting of warrants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Dividends paid to preferred stock holders that is redeemable solely at the option of the issuer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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