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Sale of Beacon Hill (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jun. 15, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Cash consideration received net of cash disposed |  | $ 500,000 | $ 1,000,000 | $ 1,163,769
Gain on sale of subsidiary |  | 0 | 0 | 2,675,766
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Beacon Hill |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Cash consideration received net of cash disposed | $ 1,200,000 |  |  |
Gain on sale of subsidiary |  |  |  | $ 2,700,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Beacon Hill | Promissory Note |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Contingent consideration received | $ 1,500,000 |  |  |
Proceeds from collection of notes receivable |  | $ 500,000 | $ 1,000,000 |

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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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