Revenue from Contracts with Customers (Details 2) - USD ($)	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Revenue, Net	$ 20,079,619	$ 18,612,239
North America [Member]
Segment Reporting Information [Line Items]
Revenue, Net	18,743,650	17,563,096
Europe [Member]
Segment Reporting Information [Line Items]
Revenue, Net	$ 1,335,969	$ 1,049,143

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration