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Note 9 - Stock-Based Compensation and Other Employee Benefit Plans (Detail) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Allocated Share-based Compensation Expense   $ 30,289
Selling, General and Administrative Expense [Member]
   
Allocated Share-based Compensation Expense 19,000 19,000
Selling, General and Administrative Expense [Member] | Third-Party Consultants [Member] | 2007 Equity Incentive Plan [Member]
   
Allocated Share-based Compensation Expense 19,400  
Selling, General and Administrative Expense [Member]
   
Allocated Share-based Compensation Expense 19,000 19,000
Officers and Board of Directors [Member] | 2007 Equity Incentive Plan [Member]
   
Allocated Share-based Compensation Expense   $ 2,267
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)   6,667
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)   $ 0.34