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Summary of Significant Accounting Policies (Details 2) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Condensed Income Statements, Captions [Line Items] |  |
Operating income/(loss) | $ (6,100) | $ (4,557)
Other income (expenses): |  |
Interest expense | (1,610) | (1,636)
Change in fair value of warrant liability | (153) | (42)
Gain on settlement of debt | 872 | 1,008
Other income/(expense) | 2 | 164
Total other income/(expense) | (889) | (506)
Income/(loss) before income taxes | (6,989) | (5,063)
Benefit/(provision) from income taxes | 39 | 365
Net loss | (7,256) | (4,698)
Dividends on preferred stock | (246) | (463)
Net loss attributable to common shareholders | $ (7,196) | $ (5,161)
Net loss per common share - basic and diluted | $ (0.10) | $ (0.08)
Weighted average shares outstanding - basic and diluted | 72,788 | 65,443
As previously reported [Member] |  |
Condensed Income Statements, Captions [Line Items] |  |
Operating income/(loss) |  | $ (4,557)
Other income (expenses): |  |
Interest expense |  | (1,908)
Change in fair value of warrant liability |  | (982)
Gain on settlement of debt |  | 1,008
Other income/(expense) |  | 164
Total other income/(expense) |  | (1,718)
Income/(loss) before income taxes |  | (6,275)
Benefit/(provision) from income taxes |  | 365
Net loss |  | (5,910)
Dividends on preferred stock |  | 463
Net loss attributable to common shareholders |  | $ (6,373)
Net loss per common share - basic and diluted |  | $ (0.09)
Net loss attributable to common shareholders |  | $ (0.1)
Weighted average shares outstanding - basic and diluted |  | 65,443
As adjusted [Member] |  |
Condensed Income Statements, Captions [Line Items] |  |
Operating income/(loss) |  | $ (4,557)
Other income (expenses): |  |
Interest expense |  | (1,636)
Change in fair value of warrant liability |  | (42)
Gain on settlement of debt |  | 1,008
Other income/(expense) |  | 164
Total other income/(expense) |  | (506)
Income/(loss) before income taxes |  | (5,063)
Benefit/(provision) from income taxes |  | 365
Net loss |  | (4,698)
Dividends on preferred stock |  | 463
Net loss attributable to common shareholders |  | $ (5,161)
Net loss per common share - basic and diluted |  | $ (0.07)
Net loss attributable to common shareholders |  | $ (0.08)
Weighted average shares outstanding - basic and diluted |  | 65,443

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