XML 40 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Warrant Liability (Tables) (Series A Warrants [Member]) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
Series A Warrants [Member] |  |
Class of Warrant or Right [Line Items] |  |
Assumptions used to value the warrants [Table Text Block] | The key assumptions used to value the Series A Warrants were as follows:
Assumption |  | June 30, 2014 |  |  | December 31, 2013 |
Expected price volatility |  |  | 115 | % |  |  | 90 | %
Expected term (in years) |  |  | 3.78 |  |  |  | 4.27 |
Risk-free interest rate |  |  | 1.17 | % |  |  | 1.40 | %
Dividend yield |  |  | 0.00 | % |  |  | 0.00 | %
Weighted-average fair value of warrants |  | $ | 0.55 |  |  | $ | 0.34 |
| The key assumptions used to value the Series A Warrants were as follows:
|  | December 31, |
Assumption |  | 2013 |
Expected price volatility |  |  | 90 | %
Expected term (in years) |  |  | 4.27 |
Risk-free interest rate |  |  | 1.4 | %
Dividend yield |  |  | 0.00 | %
Weighted-average fair value of warrants |  | $ | 0.34 |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration