Note 8 - Accrued Liabilities (Tables)
 12 Months Ended
Dec. 31, 2013
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities [Table Text Block]
   

December 31,

2013

   

December 31,

2012

 

Accrued salaries, wages, benefits and bonus

  $ 45,456     $ 65,581  

Sales tax payable

    4,409       877  

Accrued accounting and legal fees

    —       5,160  

Customer deposit payable

    580       36,540  

Accrued interest

    6,288       76,438  

Royalty payable

    —       262,500  

Other accrued liabilities

    32,997       41,860  
    $ 89,730     $ 488,956