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Business Combinations (Details Textual) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2019 | Dec. 31, 2018
Business Combination (Textual) |  |
Description of acquired assets | Post-Closing obligations under assigned contracts and issued GACP a note payable in the amount of $12,500,000, through the deemed simultaneous financing of such purchase price to the Purchasers under the Credit Agreement. | Post-Closing obligations under assigned contracts and paid to GACP the sum of $12,500,000, through the deemed simultaneous financing of such purchase price to the Purchasers under the Credit Agreement.

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- Definition Name of the acquired entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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