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v3.19.2

Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2019
Supplemental Cash Flow Information [Abstract] |
Schedule of supplemental cash flow information |
|  | Six months ended June 30, |
|  | 2019 |  |  | 2018 |
Cash paid during the year: |  |  |  |  |  |  |  |
Interest expense |  | $ | 6,309 |  |  | $ | 2,394 |
Income taxes |  | $ | 70,900 |  |  | $ | 304,765 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
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