Fair Value of Financial Assets and Liabilities (Details) $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($) director	Dec. 31, 2017 USD ($)
Fair value of Financial Assets and Liabilities
Number of directors to whom the Company agreed to issue warrants \| director	2
Expected dividend yield	0.00%
Recurring
Fair value of Financial Assets and Liabilities
Fair value of assets	$ 0
Fair value of liabilities	$ 0	$ 4,021
Level 3 \| Recurring
Fair value of Financial Assets and Liabilities
Fair value of liabilities		4,021
Warrants to purchase common shares \| Recurring
Fair value of Financial Assets and Liabilities
Fair value of liabilities		4,021
Warrants to purchase common shares \| Level 3 \| Recurring
Fair value of Financial Assets and Liabilities
Fair value of liabilities		$ 4,021

Number of directors to whom the Company agreed to issue warrants to purchase common shares.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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-Publisher FASB
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-Section 50
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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

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