Commitments and Contingencies (Details Textual)	1 Months Ended		3 Months Ended		6 Months Ended
	Jun. 01, 2018 $ / shares	Apr. 30, 2018 USD ($) a $ / shares	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Commitments And Contingencies [Line Items]
Aggregate Remaining Commitment			$ 547,000		$ 547,000
Business Combination, Contingent Consideration, Liability			500,000		500,000
Payments of Guarantees Obligation			$ 397,200	$ 53,333	$ 803,486	$ 98,000
Area of Land | a		7,457
Sub Lease Term		41 months
Rent Per Share | $ / shares	$ 25.95	$ 37
Prepaid Rent		$ 60,249
Security Deposit		$ 22,992
Minimum [Member]
Commitments And Contingencies [Line Items]
Sub Lease Term		37 months
Maximum [Member]
Commitments And Contingencies [Line Items]
Sub Lease Term		41 months
Fourth Avenue, Seattle [Member]
Commitments And Contingencies [Line Items]
Area of Land | a		1,500