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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2017
Accounting Policies [Abstract] |
Schedule of Common Share Equivalents Included from Computation of Net Loss Per Share |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | (In thousands, except share and per share data) |
Net loss available to stockholders of the company |  |  | (6,662 | ) |  |  | (1,002 | ) |  |  | (8,036 | ) |  |  | (2,105 | )
Interest accumulated on preferred shares and on preferred shares contingently issuable for little or no cash |  |  | (98 | ) |  |  | (229 | ) |  |  | (328 | ) |  |  | (459 | )
Net loss attributable to shareholders of preferred shares and to shareholders of preferred shares contingently issuable for little or no cash |  |  | 1,279 |  |  |  | 1,056 |  |  |  | 2,666 |  |  |  | 2,200 |
Net loss used in the calculation of basic and diluted loss per share |  | $ | (5,481 | ) |  | $ | (175 | ) |  | $ | (5,698 | ) |  | $ | (364 | )
Net loss per share, basic and diluted |  | $ | (1.32 | ) |  | $ | (2.25 | ) |  | $ | (2.51 | ) |  | $ | (4.68 | )
Weighted-average number of common shares |  |  | 4,154,842 |  |  |  | 77,856 |  |  |  | 2,270,907 |  |  |  | 77,856 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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