13. Stock Compensation (June 2019) (Details Narrative) - shares	Jun. 30, 2019	Dec. 31, 2018
Stock Option Plan [Member]
Stock authorized for issuance	3,000,000	3,000,000
Stock Option Plan 2 [Member]
Stock authorized for issuance	3,500,000

Number of shares authorized for issuance under share-based payment arrangement.

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 (a)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant