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Stock Options (Details Narrative) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Options granted percentage | 100.00% |  |
Options maximum granted term | 5 years |  |
Stock options granted | 153,000 |  | 110,000
Stock options exercised | 117,888 |  | 101,666
Compensation expense related to non-vested awards | $ 157,669 |  |
Compensation expense related to non-vested awards, weighted average period | 2 years |  |
Aggregate intrinsic value of vested options | $ 1,289,080 | $ 321,330 |
Consultants [Member] |  |  |
Stock options granted | 40,000 |  |
Stock option expense | $ 14,612 |  |
Stock options vested | 11,495 | 13,350 |
Stock options exercised | 15,888 | 15,000 |
Employees [Member] |  |  |
Stock options granted | 113,000 | 5,000 |
Stock option expense | $ 41,279 | $ 1,109 |
Stock options vested |  | 36,547 |
Stock options exercised | 102,000 | 23,000 |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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