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Note 7 - Long-Term Debt (Details) (USD $)
0 Months Ended 1 Months Ended 3 Months Ended
Feb. 13, 2012
LSA2 Loan [Member]
Apr. 29, 2013
Term Loan [Member]
Apr. 30, 2013
Term Loan [Member]
Mar. 31, 2014
Term Loan [Member]
Nov. 10, 2011
LSA2 Loan [Member]
Nov. 21, 2008
SLSA Loan [Member]
Jan. 22, 2010
S2LSA Loan [Member]
Note 7 - Long-Term Debt (Details) [Line Items]              
Debt Instrument, Face Amount   $ 8,000,000          
Debt Instrument, Interest Rate, Stated Percentage   11.00%     12.50% 12.60% 12.50%
Debt Instrument, Term     36 months        
Proceeds from Notes Payable   5,000,000          
Warrants Aggregate Exercise Price   800,000          
Excercise Value Increase, First Tranche   200,000          
Exercise Value Increase Second and Third Tranche   300,000          
Amortization of Debt Discount (Premium)       256,939      
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases $ 6,000,000            
Debt Instrument, Covenant Terms, Unrestricted Cash and Accounts Receivable to Indebtedness, Percentage 200.00%