CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (Parentheticals) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Stock issuance costs | $ 9,301 | $ 16,901 |
| X | ||||||||||
- 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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