Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Narrative) (Details)

v2.4.0.8
Stockholders' Equity (Narrative) (Details) (USD $)
6 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 1 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Jun. 30, 2014
Approximations [Member]
Jun. 30, 2013
Approximations [Member]
Jun. 30, 2014
Approximations [Member]
Jun. 30, 2013
Approximations [Member]
Jun. 30, 2014
Chief Executive Officer [Member]
Jun. 30, 2014
Issuance of 255,202 non-qualified 10 year options [Member]
Jun. 30, 2014
Issuance of 1,667,181 non-qualified 8-10 year options [Member]
Oct. 21, 2013
Registered Direct Offering and Outstanding Warrants [Member]
Jul. 22, 2010
Registered Direct Offering and Outstanding Warrants [Member]
Oct. 21, 2013
Registered Direct Offering and Outstanding Warrants [Member]
Approximations [Member]
Jul. 22, 2010
Registered Direct Offering and Outstanding Warrants [Member]
Approximations [Member]
Jun. 30, 2014
Issuance of 211,303 non-qualified 5-10 year options [Member]
Jun. 30, 2014
May 5, 2014 Stock Options Granted [Member]
Jun. 30, 2014
Minimum [Member]
Chief Executive Officer [Member]
Jun. 30, 2014
Minimum [Member]
Directors, Officers and Employees [Member]
Jun. 30, 2014
Minimum [Member]
Issuance of 1,667,181 non-qualified 8-10 year options [Member]
Oct. 21, 2013
Minimum [Member]
Registered Direct Offering and Outstanding Warrants [Member]
Jul. 22, 2010
Minimum [Member]
Registered Direct Offering and Outstanding Warrants [Member]
Jun. 30, 2014
Minimum [Member]
Issuance of 211,303 non-qualified 5-10 year options [Member]
Jun. 30, 2014
Maximum [Member]
Chief Executive Officer [Member]
Jun. 30, 2014
Maximum [Member]
Directors, Officers and Employees [Member]
Jun. 30, 2014
Maximum [Member]
Issuance of 1,667,181 non-qualified 8-10 year options [Member]
Oct. 21, 2013
Maximum [Member]
Registered Direct Offering and Outstanding Warrants [Member]
Jul. 22, 2010
Maximum [Member]
Registered Direct Offering and Outstanding Warrants [Member]
Jun. 30, 2014
Maximum [Member]
Issuance of 211,303 non-qualified 5-10 year options [Member]
Jun. 30, 2014
Stock Compensation Plan [Member]
Jun. 30, 2014
Maximum restricted shares granted [Member]
Dec. 31, 2013
Maximum restricted shares granted to one person [Member]
Jun. 30, 2014
Stock-based compensation [Member]
Approximations [Member]
Jun. 30, 2013
Stock-based compensation [Member]
Approximations [Member]
Jun. 30, 2014
Stock-based compensation [Member]
Approximations [Member]
Jun. 30, 2013
Stock-based compensation [Member]
Approximations [Member]
Jun. 30, 2014
Restricted Stock [Member]
Dec. 31, 2012
Restricted Stock [Member]
Jun. 30, 2014
Warrants [Member]
Jun. 30, 2014
Maximum number of shares in respect to stock options [Member]
Jun. 30, 2014
Employee Stock Option [Member]
Dec. 31, 2011
Employee Stock Option [Member]
Jun. 30, 2014
Stock and Stock Equivalents [Member]
Common Stock, Shares Authorized 500,000,000   500,000,000                                                                                
Common Stock, Shares, Outstanding 15,071,536   15,057,243                                                                               19,500,218
Class of Warrant or Right, Outstanding 2,284,996                                                                                    
Number of options outstanding 2,143,686   1,564,257 1,639,842                                                                              
Unvested Shares                                                                           43,032          
Common Stock, Capital Shares Reserved for Future Issuance                                                           2,500,000 1,250,000 166,667               266,667      
Number of options vested and expected to vest outstanding 1,564,257   1,530,200                                                                                
Stock option expense         $ 65,000 $ 43,000 $ 105,000 $ 146,000                                                                      
Non-qualified stock options                 820,396 255,202 1,677,181         211,303                                                      
Contractural lives                   10 years               1 year 4 months 24 days 1 year 4 months 24 days 5 years     5 years 6 years 8 months 12 days 6 years 9 months 18 days 10 years     10 years                            
Lower Limit                   $ 4.50 $ 2.55         $ 2.55                                                      
Upper Limit                   $ 14.40 $ 23.85         $ 15.30                                                      
Aggregate intrinsic value 127,474   0                                                                                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Intrinsic Value $ 2.77   $ 1.45                                                                                
Unrecognized compensation costs 0   19,000                                                                                
Restricted stock grants estimated forfeiture amount 1.50%                                                                       0.00%            
Share based compensation 125,297 210,653     100,000   100,000 200,000                                                 100,000 100,000 100,000 200,000              
Common Stock issued 15,071,536   15,057,243                                                                                
Proceeds from Issuance of Common Stock                           4,400,000 13,700,000                                                        
Common stock and warrants sold                       2,500,000 2,069,992                                                            
Common stock to be purchased in the Offering                       1,250,000 1,034,996                                                            
Exercisable term                       7 years 6 months                                                              
Shares of common stock to be purchased by fixed combination                       0.5 0.5                                                            
Purchase price of fixed combination                       1.75 6.60                                                            
Warrant exercise price                       $ 2.30 $ 9.00                                                            
Maximum common stock ownership to be eligible for exercise of warrants                                         4.99% 4.99%         9.99% 9.99%                              
Net proceeds from the Offering received after payments of fees and expenses                           4,000,000                                                          
Amount allocated from the Offering to common stock                           2,800,000                                                          
Amount allocated from the Offering to warrants                           1,200,000                                                          
Volitility rate                                 90.44%                                           104.00%   90.44% 94.32%  
Risk-free interest rate                                 1.68%                                           2.01%   1.67% 3.35%  
Dividend yield                                 0.00%                                           0.00%   0.00% 0.00%  
Expected term                                 5 years                                           7 years 6 months   5 years 10 years  
Strike Price                                 $ 2.55                                                    
Stock options granted 579,429   0                           579,429                                                    
Fair value of stock options granted     $ 10.42 $ 10.85                         $ 1.79                                                    
Fair market value on measurement date                                 $ 1.97                                                    
Pre-vesting forfeiture rate                                 1.50%                                                    
Value of vested awards $ 0