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Concentrations | 12 Months Ended
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Dec. 31, 2018
Concentrations Disclosure [Abstract] |
Concentrations Disclosure [Text Block] | 3. Concentrations No customer accounted for more than 10% of the revenues for the years ended December 31, 2018, and 2017. At December 31, 2018 and 2017, no customer accounted for more than 10% of net accounts receivable.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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