Annual report pursuant to section 13 and 15(d)

Note 8 - Stockholders' Equity (Details)

v2.4.0.8
Note 8 - Stockholders' Equity (Details) (USD $)
 0 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 5 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 2 Months Ended 5 Months Ended
Dec. 05, 2013
Jan. 31, 2013
Jul. 31, 2012
Jun. 30, 2012
Feb. 29, 2012
Nov. 30, 2010
Dec. 31, 2013
Dec. 31, 2012
Feb. 10, 2012
Dec. 31, 2011
Dec. 31, 2013
Exercise Price of $1.75 [Member]
Jan. 31, 2013
Issued to Sub-Placement Agents [Member]
Jul. 31, 2012
Issued to Sub-Placement Agents [Member]
Jul. 31, 2012
Jan 2013 Financing Transaction [Member]
May 31, 2012
Issued to Two Non-Employee Directors [Member]
Dec. 31, 2012
Issued to Third Parties [Member]
Dec. 31, 2013
Service Provider [Member]
Selling, General and Administrative Expenses [Member]
Dec. 31, 2012
Service Provider [Member]
Selling, General and Administrative Expenses [Member]
Dec. 31, 2013
Service Provider [Member]
Jan. 31, 2013
Investment from Non-employee Directors [Member]
Jul. 31, 2012
Investment from Non-employee Directors [Member]
Feb. 29, 2012
Series A Convertible Preferred Stock [Member]
Dec. 31, 2006
Series A Convertible Preferred Stock [Member]
Dec. 15, 2011
Series A Convertible Preferred Stock [Member]
Dec. 31, 2013
The 2012 Plan [Member]
Feb. 29, 2012
The 2012 Plan [Member]
Dec. 31, 2013
The 2013 Plan [Member]
Jun. 30, 2013
The 2013 Plan [Member]
Dec. 31, 2013
The Director Plan [Member]
Feb. 27, 2012
Unamortized Discount [Member]
The 2011 Unit Offering Note [Member]
Feb. 27, 2012
Unamortized Deferred Offering Costs [Member]
The 2011 Unit Offering Note [Member]
Feb. 27, 2012
Summer 2011 Notes [Member]
Dec. 31, 2011
Summer 2011 Notes [Member]
Feb. 27, 2012
March 2010 Notes [Member]
Mar. 31, 2010
March 2010 Notes [Member]
Oct. 31, 2011
The 2011 Unit Offering Note [Member]
Feb. 27, 2012
The 2011 Unit Offering Note [Member]
Feb. 27, 2012
The 2011 Unit Offering Note [Member]
Note 8 - Stockholders' Equity (Details) [Line Items]                                                                            
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)   1.20 1.10       1.33 0.95   0.43         1.00 1.00                                         0.60 0.60
Stock Issued During Period, Shares, New Issues   9,201,684 5,454,523 1,500,000                                                                    
Warrants Issued During Period   4,600,842 2,727,274       4,643,842 7,652,071         409,093   1,250,000 421,666     43,000                                   941,288 2,715,250
Gross Proceeds from Issuance of Private Placement (in Dollars)   $ 11,042,021 $ 6,000,000                                                                      
Proceeds from Issuance of Private Placement (in Dollars)   9,829,014 5,516,495       9,829,014 5,516,495                       402,000 269,980                                  
Term of Warrants   5 years 5 years                       5 years       5 years                                 5 years    
Warrants Issued During Period, Weighted Average Exercise Price (in Dollars per share)   $ 1.75 $ 1.45       $ 1.75 $ 1.05         $ 1.10           $ 1.75                                 $ 0.75    
Percentage of Volatility Obtained from HVT Function on Bloomberg   100.00%                                                                        
Risk-free Interest Rate Term   24 months                                                                        
Payments for Commissions (in Dollars)   1,104,202                                                                        
Payments of Stock Issuance Costs (in Dollars)     480,000                 133,024                                                    
Warrants Issued During Period, Exercise Price (in Dollars per share)                           $ 1.41                                                
Preferred Stock Issued During Period, Shares, New Issues                                             7,965,000                              
Convertible Preferred Stock, Number of Preferred Shares Converted into One Common Shares                                             4 1                            
Stock Issued During Period, Shares, Conversion of Convertible Securities                                           7,965,000                                
Preferred Stock, Shares Authorized                 25,000,000                                                          
Debt Instrument, Face Amount (in Dollars)           3,000,000                                                     1,310,000   4,071,000 100,000    
Debt Instrument, Interest Rate, Stated Percentage           3.50%                                                     15.00%   10.00% 10.00%    
Debt Instrument, Convertible, Conversion Price (in Dollars per share)                                                                 $ 0.60   $ 1.00   $ 0.60 $ 0.60
Debt Conversion, Original Debt, Amount (in Dollars)         10,811,500                                                     1,425,865   4,868,017       5,491,929
Debt Conversion, Converted Instrument, Shares Issued                                                               2,376,447   4,868,041       9,153,239
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                                                                       50,000    
Debt Instrument, Maturity           10 years                                                           3 years    
Number of Unit Offering Notes Sold                                                                         38.055 54.305
Aggregate Principal Amount of Unit Offering Notes Sold (in Dollars)                                                                           5,430,500
Placement Agent Cash Fee as Percentage of Gross Proceeds                                                                         10.00%  
Warrants Not Settleable in Cash, Fair Value Disclosure (in Dollars)                                                                         237,299 237,299
Deferred Offering Costs (in Dollars)               24,219                                                         237,299 237,299
Interest Expense (in Dollars)             499,839 2,594,807                                           1,063,018 785,239              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                                                   3,000,000   1,250,000 570,000                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number             7,430,225 6,432,127   3,679,977                             2,916,650                          
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period                                                     949,500   0                  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                                                     300,500                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross             1,219,500 [1] 3,097,400 [1]     200,000                                                      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)             $ 1.43 [1] $ 1.08 [1]     $ 1.75                                                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)             $ 0.63 $ 0.48                                                            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)             1,160,000                                                              
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition             2 years                                                              
Warrants Issued During Period, Value (in Dollars)                             514,250 349,003     14,805                                      
Allocated Share-based Compensation Expense (in Dollars)                                 14,805 863,253                                        
Treasury Stock, Shares, Retired 325,830                                                                          
Treasury Stock, Retired, Cost Method, Amount (in Dollars) $ 1,679,234                                                                          
[1] All options granted during the years ended December 31, 2012 and 2013 were granted with exercise prices which were deemed to be the fair market value of the Company's stock on the date of grant, except for 200,000 options granted in December 2013 that have an exercise price of $1.75, which was deemed to be above market.