Fair Value Measurements (Details) - USD ($) |
Sep. 30, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|---|
| Liabilities: | |||
| Warrant liability | $ 121,000 | $ 2,327,000 | $ 4,633,000 |
| Quoted prices in active markets - Level 1 [Member] | |||
| Liabilities: | |||
| Warrant liability | 0 | 0 | |
| Significant other observable inputs - Level 2 [Member] | |||
| Liabilities: | |||
| Warrant liability | 0 | 0 | |
| Significant unobservable inputs - Level 3 [Member] | |||
| Liabilities: | |||
| Warrant liability | $ 121,000 | $ 2,327,000 |
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- Definition Fair value, before 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 elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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