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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2013
Quarterly Financial Data (Unaudited) [Abstract] |
Schedule of Quarterly Financial Information [Table Text Block] |
|  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |
|  | (in thousands, except per share amount) |
2013 |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  | $ | 5,174 |  | $ | 2,198 |  | $ | 2,198 |  | $ | 911 |
Net income (loss) |  | $ | 6,001 |  | $ | 5,064 |  | $ | (1,145) |  | $ | (209) |
Basic net income (loss) per share |  | $ | 0.08 |  | $ | 0.06 |  | $ | (0.01) |  | $ | (0.00) |
Diluted net income (loss) per share |  | $ | 0.07 |  | $ | 0.00 |  | $ | (0.01) |  | $ | (0.00) |
2012 |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  | $ | 1,270 |  | $ | 1,360 |  | $ | 1,228 |  | $ | 3,259 |
Net loss |  | $ | (5,163) |  | $ | (1,724) |  | $ | (8,013) |  | $ | (280) |
Basic net loss per share |  | $ | (0.09) |  | $ | (0.03) |  | $ | (0.12) |  | $ | (0.00) |
Diluted net loss per share |  | $ | (0.09) |  | $ | (0.06) |  | $ | (0.12) |  | $ | (0.00) |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=35737889&loc=d3e1280-108306 + Details
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