Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information - Schedule of Supplemental Disclosures of Noncash Investing and Financing Activities (Details)

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Supplemental Cash Flow Information - Schedule of Supplemental Disclosures of Noncash Investing and Financing Activities (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Supplemental Cash Flow Elements [Abstract]    
Adoption of ASC 606 $ 2,500
Acquisition of property and equipment 16
Settlement of the RedPath Note (8,098)
Issuance of the Exchange Notes 11,375
Non-cash equity conversion costs (137)
Debt issuance costs (459)
Warrants issued through Termination Agreement [1] 193
Common shares issued in debt exchange $ 4,222
[1] See Note 14, Equity for more details