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Related Party Transactions (Details)		12 Months Ended
		Dec. 31, 2017 USD ($) ft² Rate	Dec. 31, 2016 USD ($)
Related Party Transaction [Line Items]
Related Party Transaction, Percent of Common Stock Purchase to Trigger Share Sale | Rate		50.00%
Notes Payable, Related Parties		$ 40,000,000	$ 40,000,000
Gains (Losses) on Extinguishment of Debt		$ 0	1,151,000
Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Area of Real Estate Property | ft²		1,000
Related Party Transaction, Other Revenues from Transactions with Related Party		$ 26,629	26,103
Related Party Transaction, Due from (to) Related Party, Noncurrent		124,087
Related Party Transaction, Amounts of Transaction		263,453	260,586
Related Party Transaction [Domain]
Related Party Transaction [Line Items]
Notes Payable, Related Party Max Facility Limit	[1]	$ 40,000,000
Senior Secured Term Loan, Expiring 2018 [Domain]
Related Party Transaction [Line Items]
Notes Payable, Related Parties	[1]		$ 40,000,000
Debt Instrument, Interest Rate, Stated Percentage	[1]	9.00%	9.00%
Related Party Transaction, Date	[1]	Nov. 21, 2018
[1] See below for additional information.

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Contractual interest rate for funds borrowed, under the debt agreement.

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