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Note 8 - Convertible Debt (PIK Notes) (Details)
1 Months Ended 2 Months Ended 3 Months Ended 8 Months Ended 12 Months Ended
Nov. 03, 2014
USD ($)
$ / shares
Feb. 28, 2015
USD ($)
Aug. 31, 2014
USD ($)
Feb. 28, 2014
USD ($)
Aug. 31, 2013
USD ($)
$ / shares
Dec. 31, 2014
USD ($)
Mar. 31, 2015
USD ($)
Mar. 31, 2014
USD ($)
Aug. 31, 2013
USD ($)
$ / shares
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Minimum [Member] | Series A Notes [Member] | Payment in Kind (PIK) Note [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Convertible Debt, Number of Written Days Notice 30 days                    
Minimum [Member] | Payment in Kind (PIK) Note [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Convertible, Remaining Discount Amortization Period                   2 years  
Maximum [Member] | Series A Notes [Member] | Payment in Kind (PIK) Note [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Convertible Debt, Number of Written Days Notice 90 days                    
Series A Notes [Member] | Payment in Kind (PIK) Note [Member] | Result of Extension Option [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ / shares $ 0.10                    
Series A Notes [Member] | Payment in Kind (PIK) Note [Member] | Other Expense [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Liquidated Damages, Payable to Noteholders             $ 595,455     $ 200,000  
Series A Notes [Member] | Payment in Kind (PIK) Note [Member] | Specified Event [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Interest Rate, Stated Percentage 1.00%                    
Series A Notes [Member] | Payment in Kind (PIK) Note [Member] | Combined Discount [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Unamortized Discount $ 16,560,771                    
Series A Notes [Member] | Payment in Kind (PIK) Note [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Proceeds from Convertible Debt 12,500,000                    
Debt Instrument, Face Amount $ 19,848,486         $ 19,848,486 19,848,486     19,848,486  
Debt Instrument, Interest Rate, Stated Percentage 10.00%                    
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ / shares $ 0.92                    
Debt Instrument, Convertible, Threshold Consecutive Trading Days to Meet Event Qualification 30 days                    
Liquidated Damages, Percent of Principal 1.00%                    
Debt Instrument, Convertible, Beneficial Conversion Feature $ 9,212,285                    
Debt Instrument, Unamortized Discount $ 7,348,486         16,450,742 16,250,358     16,450,742  
Debt Instrument, Term 4 years                    
Derivative Liability $ 9,557,476         9,557,476 9,600,625     9,557,476  
Convertible Debt, Increase (Decrease) in Valuation Allowance           345,191          
Amortization of Debt Discount (Premium)           110,031 200,384        
Convertible Notes Payable           3,397,744 3,598,128     3,397,744  
Series A Notes [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Convertible Debt, Number of Days to File Registration Statement 90 days                    
Senior A Notes [Member] | Payment in Kind (PIK) Note [Member] | Result of Extension Option [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ / shares $ 0.10                    
Senior A Notes [Member] | Payment in Kind (PIK) Note [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Convertible, Threshold Consecutive Trading Days to Meet Event Qualification 30 days                    
Series 2023 Notes [Member] | Payment in Kind (PIK) Note [Member] | Combined Discount [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Unamortized Discount           1,949,555 1,944,922     1,949,555  
Series 2023 Notes [Member] | Payment in Kind (PIK) Note [Member] | Result of Anti-Dilution Adjustment [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ / shares         $ 1.36       $ 1.36    
Series 2023 Notes [Member] | Payment in Kind (PIK) Note [Member] | After Series A Notes Issuance [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Convertible, Number of Equity Instruments         7,720,588            
Series 2023 Notes [Member] | Payment in Kind (PIK) Note [Member] | Includes Additional PIK Notes Issued [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Derivative Liability           478,149 554,128     478,149  
Series 2023 Notes [Member] | Payment in Kind (PIK) Note [Member] | Additional Discount [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Unamortized Discount           48,075 26,387     48,075  
Series 2023 Notes [Member] | Payment in Kind (PIK) Note [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Debt Instrument, Face Amount         $ 10,500,000 11,576,250 12,155,063   $ 10,500,000 11,576,250 $ 10,507,333
Debt Instrument, Interest Rate, Stated Percentage         10.00%       10.00%    
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ / shares         $ 1.40       $ 1.40    
Debt Instrument, Convertible, Beneficial Conversion Feature         $ 2,055,000       $ 2,055,000    
Debt Instrument, Unamortized Discount           1,949,555 1,944,922     1,949,555 2,020,750
Debt Instrument, Term         10 years       10 years    
Derivative Liability           478,149 554,128     478,149 2,250,000
Amortization of Debt Discount (Premium)             31,020     119,270  
Convertible Notes Payable           9,626,695 10,210,141     9,626,695 8,486,583
Paid-in-Kind Interest   $ 578,813 $ 551,250 $ 525,000              
Debt Instrument, Convertible, Number of Equity Instruments         7,500,000            
Financial Instruments Subject to Mandatory Conversion Earliest Conversion                 1 year    
Financial Instrument Subject to Mandatory Conversion Period for Calculation of Conversion Feature                 10 days    
Convertible Debt, Revaluation Gain             49,593     1,815,989  
Payment in Kind (PIK) Note [Member]                      
Note 8 - Convertible Debt (PIK Notes) (Details) [Line Items]                      
Proceeds from Convertible Debt                   23,000,000  
Debt Instrument, Face Amount           31,424,736 32,003,549     31,424,736 10,507,333
Debt Instrument, Unamortized Discount           18,400,297 18,195,280     18,400,297 2,020,750
Derivative Liability           10,035,625 10,154,753     10,035,625 2,250,000
Convertible Notes Payable           13,024,439 13,808,269     13,024,439 8,486,583
Proceeds from Convertible Debt         $ 10,500,000   (113,558) $ (122,898)   12,499,998 10,500,000
Convertible Debt, Number of Written Days Notice 30 days                    
Convertible Debt, Number of Days to File Registration Statement 90 days                    
Convertible Debt, Number of Days to Accrue Further Damages 30 days                    
Debt Instrument, Unamortized Discount           18,400,297 18,195,280     18,400,297 $ 2,020,750
Derivative Liability           $ 10,035,625 10,154,753     10,035,625  
Paid-in-Kind Interest             $ 578,813 $ 525,000   $ 1,076,250