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Recently Issued Accounting Pronouncements (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Condensed Income Statements, Captions [Line Items]    
Operating income/(loss) $ (1,819) $ 123
Other income (expenses):    
Interest expense (574) (410)
Change in fair value of warrant liability 197 (8)
Gain on settlement of debt 866
Other income/(expense) 4
Total other income/(expense) (373) 448
Income/(loss) before income taxes (2,192) 571
Benefit/(provision) from income taxes (46) (79)
Net income (2,238) 492
Dividends on preferred stock (111) (113)
Net loss attributable to common shareholders $ (2,349) $ 379
Weighted average shares outstanding - basic 82,582 67,112
Weighted average shares outstanding - diluted 82,582 67,112
As previously reported [Member]    
Condensed Income Statements, Captions [Line Items]    
Operating income/(loss)   $ 123
Other income (expenses):    
Interest expense   (484)
Change in fair value of warrant liability   (20)
Gain on settlement of debt   866
Other income/(expense)  
Total other income/(expense)   362
Income/(loss) before income taxes   485
Benefit/(provision) from income taxes   (79)
Net income   406
Dividends on preferred stock   (113)
Net loss attributable to common shareholders   $ 293
Net loss per common share - basic and diluted   $ 0.100
Net loss attributable to common shareholders   $ 0.00
Weighted average shares outstanding - basic   67,112
Weighted average shares outstanding - diluted   96,711
As adjusted [Member]    
Condensed Income Statements, Captions [Line Items]    
Operating income/(loss)   $ 123
Other income (expenses):    
Interest expense   (410)
Change in fair value of warrant liability   (8)
Gain on settlement of debt   866
Other income/(expense)  
Total other income/(expense)   488
Income/(loss) before income taxes   571
Benefit/(provision) from income taxes   (79)
Net income   492
Dividends on preferred stock   (113)
Net loss attributable to common shareholders   $ 379
Net loss per common share - basic and diluted   $ 0.01
Net loss attributable to common shareholders   $ 0.100
Weighted average shares outstanding - basic   67,112
Weighted average shares outstanding - diluted   96,711