XML 56 R43.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stockholders' Equity (Details Narrative) - USD ($)
 1 Months Ended 12 Months Ended
Apr. 30, 2015
Sep. 30, 2014
Aug. 30, 2014
Apr. 30, 2014
Jun. 30, 2010
Sep. 30, 2004
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2009
Stock issued for public offering       12,765,000     12,765,000      
Option issued to purchase number of additional common stock             82,000 106,000    
Proceeds from public offering, net       $ 7,020,750     $ 6,369,000    
Stock-based compensation             $ 456,000 $ 282,000    
Closing stock price per share             $ 0.16      
Aggregate intrinsic value of options exercised             $ 7,000      
Number of common stock issued during period             18,000 43,000    
Option exercised during period, value             $ 1,000 $ 44,000    
Number of option exercised during period             2,000 185,000    
Weighted average grant-date fair value per share price             $ 0.25 $ 0.30    
Unamortized compensation expense             $ 692,000      
Unamortized compensation expense remaining service period             2 years 10 months 2 days      
Preferred Stock authorized             5,000,000 5,000,000    
Preferred stock shares issued             156,000 156,000    
Preferred Stock Series A shares outstanding             156,000 156,000    
Common stock shares issued             92,439,000 92,370,000    
Preferred Stock, Liquidation Preference Per Share             $ 156 $ 156    
Preferred Stock                    
Preferred Stock authorized             10,000,000      
Series A Cumulative Convertible Preferred Stock [Member]                    
Preferred Stock authorized             5,000,000      
Preferred stock shares issued             156,000 156,000    
Preferred Stock Series A shares outstanding             156,000 156,000    
Dividends payable per share             $ 0.10 $ 0.10    
Common Stock [Member]                    
Stock issued for public offering               12,765,000    
Option exercised during period, value               $ 1,000    
Common stock shares issued             46,000 35,000    
Preferred Stock, Liquidation Preference Per Share             $ 1.00      
Warrants [Member]                    
Warrants issued to purchase number of common stock                 3,600,000 3,000,000
Fair value of the warrants                 $ 1,379,000 $ 537,000
Risk-free interest rates                 1.06% 2.79%
Dividend yield                 0.00% 0.00%
Expected volatility                 80.25% 78.10%
Term of weighted-average assumptions                 5 years 8 years
Number of warrants exercised during period                 0 0
2004 Performance Incentive Plan [Member]                    
Maximum number of shares authorized to issue           2,500,000        
Options outstanding             53,000      
1995 Employee Stock Option Plan [Member]                    
Maximum number of shares authorized to issue           77,000        
2010 Amended Performance Incentive Plan [Member]                    
Maximum number of shares authorized to issue         6,000,000          
Options outstanding             2,511,000      
Number of common stock issued during period               119,000    
Number of restricted stock unit vested during period               173,000    
2010 Amended Performance Incentive Plan [Member] | Minimum [Member]                    
Maximum number of shares authorized to issue         6,000,000          
2010 Amended Performance Incentive Plan [Member] | Maximum [Member]                    
Maximum number of shares authorized to issue         12,000,000          
2014 Inducement Plan [Member]                    
Maximum number of shares authorized to issue     4,250,000              
2014 Inducement Plan [Member] | Mr Krishnan [Member]                    
Option issued to purchase number of additional common stock 750,000 3,500,000                
2014 Inducement Plan [Member] | First Anniversary [Member]                    
Option expected to vest during period, percentage 25.00%                  
2014 Inducement Plan [Member] | 36 Substantially Equal Monthly Installments Thereafter [Member]                    
Option expected to vest during period, percentage 75.00%                  
Roth Capital Partners, LLC [Member]                    
Stock issued for public offering       11,100,000            
Sale of stock price per share       $ 0.55            
Option issued to purchase number of additional common stock       1,665,000