Organization (Details Textual) - USD ($) $ in Thousands |
6 Months Ended | ||||
|---|---|---|---|---|---|
Aug. 10, 2017 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Organization [Line Items] | |||||
| Retained Earnings (Accumulated Deficit), Total | $ (128,841) | $ (114,861) | |||
| Cash and Cash Equivalents, at Carrying Value | 10,701 | $ 4,661 | $ 16,846 | $ 19,552 | |
| Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total | (16,859) | $ (14,122) | |||
| Restricted Cash and Cash Equivalents | 7,518 | ||||
| Unrestricted Cash And Cash Equivalents | 3,183 | ||||
| Restructuring and Related Cost, Incurred Cost | $ 665 | ||||
| Subsequent Event [Member] | |||||
| Organization [Line Items] | |||||
| Stock Issued During Period, Shares, New Issues | 34,000 | ||||
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The carrying amounts of cash and cash equivalent items which are unrestricted. No definition available.
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| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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