Notes Payable (Details) $ / shares in Units, $ in Thousands |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
|
Mar. 14, 2014
USD ($)
|
Oct. 15, 2013
USD ($)
|
Dec. 31, 2016
USD ($)
$ / shares
|
Dec. 31, 2014
USD ($)
$ / shares
|
Dec. 31, 2015
$ / shares
|
Jan. 31, 2015
item
|
Dec. 31, 2013
$ / shares
|
|
| Notes Payable | |||||||
| Proceeds from Issuance of Long-term Debt | $ 34,000 | ||||||
| Fixed interest rate (as a percent) | 5.75% | ||||||
| Effective Interest Rate | 9.13% | ||||||
| Maturity Date | Dec. 29, 2016 | ||||||
| Class Of Warrant Or Right, Exercise Price Of Warrants Or Rights | $ / shares | $ 1.02 | $ 1.20 | $ 1.71 | $ 0.95 | |||
| Number of installments | item | 28 | ||||||
| Proceeds from debt financing | $ 3,500 | $ 5,000 | |||||
| Sweetwater IDR Bond [Member] | |||||||
| Notes Payable | |||||||
| Maturity Date | Oct. 01, 2021 | ||||||
| Periodic payment amount | $ 24,514 | ||||||
| X | ||||||||||
- Definition Represents the total number of installment payments to be made on the debt instrument. No definition available.
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| X | ||||||||||
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of the required periodic payments applied to principal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. No definition available.
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| X | ||||||||||
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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