Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Details 1)

v3.7.0.1
Derivative Instruments (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Sep. 01, 2016
Jul. 20, 2016
Aug. 06, 2015
Forward Investments, LLC Convertible Feature [Member] | Factor One [Member]          
Derivative [Line Items]          
Principal amount $ 650 $ 3,210      
Conversion price per share $ 0.78 $ 0.78      
Risk free rate 1.88% 1.93%      
Life of conversion feature (in years) 4 years 9 months 18 days 5 years      
Volatility 120.00% 100.00%      
Forward Investments, LLC Convertible Feature [Member] | Factor Two [Member]          
Derivative [Line Items]          
Principal amount $ 390 $ 390      
Conversion price per share $ 0.78 $ 0.78      
Risk free rate 1.45% 1.93%      
Life of conversion feature (in years) 4 years 9 months 18 days 5 years      
Volatility 120.00% 100.00%      
Forward Investments, LLC Convertible Feature [Member] | Factor Three [Member]          
Derivative [Line Items]          
Principal amount $ 771 $ 1,025      
Conversion price per share $ 0.78 $ 0.78      
Risk free rate 0.76% 0.51%      
Life of conversion feature (in years) 3 months 18 days 3 months 18 days      
Volatility 160.00% 135.00%      
Forward Investments, LLC Convertible Feature [Member] | Factor Four [Member]          
Derivative [Line Items]          
Principal amount $ 4,373 $ 4,373      
Conversion price per share $ 0.78 $ 0.78      
Risk free rate 0.97% 0.85%      
Life of conversion feature (in years) 9 months 18 days 1 year      
Volatility 160.00% 120.00%      
August 6, 2015 Demand Promissory Note [Member]          
Derivative [Line Items]          
Principal amount   $ 1,198      
Conversion price per share   $ 1.25      
Conversion trigger price per share        
Risk free rate   0.44%      
Life of conversion feature (in years)   1 month 6 days      
Volatility   135.00%      
Dominion November 4, 2016 Exchange Agreement [Member]          
Derivative [Line Items]          
Principal amount $ 605 $ 605      
Conversion price per share $ 0.10 $ 0.10      
Risk free rate 0.93% 0.76%      
Life of conversion feature (in years) 7 months 6 days 9 months 18 days      
Volatility 160.00% 120.00%      
Dominion January 31, 2017 [Member]          
Derivative [Line Items]          
Principal amount $ 74        
Conversion price per share $ 0.10        
Risk free rate 0.98%        
Life of conversion feature (in years) 9 months 18 days        
Volatility 160.00%        
Smithline Senior Convertible Note Embedded Features [Member]          
Derivative [Line Items]          
Principal amount $ 117   $ 97 $ 55 $ 526
Conversion price per share $ 1.25        
Risk free rate 0.76%        
Volatility 160.00%        
JGB (Cayman) Waltham Ltd. [Member]          
Derivative [Line Items]          
Principal amount $ 4,451 $ 5,034      
Conversion price per share $ 0.04 $ 0.20      
Conversion trigger price per share   $ 2.00      
Risk free rate 1.31% 1.31%      
Life of conversion feature (in years) 2 years 2 months 1 day 2 years 4 months 28 days      
Volatility 130.00% 100.00%      
JGB (Cayman) Waltham Ltd. One [Member]          
Derivative [Line Items]          
Principal amount $ 503 $ 593      
Conversion price per share $ 0.04 $ 0.20      
Conversion trigger price per share   $ 2.00      
Life of conversion feature (in years) 6 months 6 months 29 days      
JGB (Cayman) Concord Ltd. [Member]          
Derivative [Line Items]          
Principal amount $ 241 $ 3,749      
Conversion price per share $ 0.04 $ 0.20      
Conversion trigger price per share   $ 2.00      
Risk free rate 1.31% 1.31%      
Life of conversion feature (in years) 2 years 2 months 1 day 2 years 4 months 28 days      
Volatility 130.00% 100.00%      
MEF I, L.P. Assignment and Assumption Agreement [Member]          
Derivative [Line Items]          
Principal amount $ 532        
Conversion price per share $ 0.04        
Risk free rate 1.31%        
Life of conversion feature (in years) 2 years 2 months 1 day        
Volatility 130.00%