Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Century 10% Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrant, Face Value	$ 152	$ 152
Term Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deb face amount	8,250	8,500
Carrying Amount \| Century 10% Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrant, Fair Value and Carrying Amount	131	89
Carrying Amount \| Term Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Term Loan, Fair Value and Carrying Amount	11,219	7,649
Level 3 \| Fair Value \| Century 10% Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrant, Fair Value and Carrying Amount	8	89
Level 3 \| Fair Value \| Term Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Term Loan, Fair Value and Carrying Amount	$ 6,107	$ 6,013

Face (par) amount of debt instrument at time of issuance.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Nominal or face amount used to calculate payments on the derivative liability.

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