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Note 15 - Long-term Debt (Details) (USD $)
 1 Months Ended 11 Months Ended 1 Months Ended 11 Months Ended 11 Months Ended
Nov. 30, 2013
Dec. 31, 2008
Dec. 31, 2012
Dec. 31, 2011
Jan. 31, 2008
Dec. 31, 2008
Quarterly Payment [Member]
Term Loan [Member]
Dec. 31, 2008
Consent And First Amendment [Member]
London Interbank Offered Rate (LIBOR) [Member]
Term Loan [Member]
Dec. 31, 2008
Stock [Member]
Anika Therapeutics S.r.l. [Member]
Term Loan [Member]
Dec. 31, 2008
London Interbank Offered Rate (LIBOR) [Member]
Term Loan [Member]
Dec. 31, 2015
Term Loan [Member]
Dec. 31, 2008
Term Loan [Member]
Jan. 31, 2008
Revolving Credit Facility [Member]
Note 15 - Long-term Debt (Details) [Line Items]                        
Line of Credit Facility, Maximum Borrowing Capacity                       $ 16,000,000
Line of Credit Facility, Amount Outstanding         16,000,000              
Debt Instrument, Periodic Payment, Principal           400,000            
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid                   5,200,000    
Debt Instrument, Basis Spread on Variable Rate (in Basis Points)             1.25%   0.75%      
Deferred Finance Costs, Net                     171,000  
Percentage of Stock Pledged as Collateral               65.00%        
Debt Issuance Cost   74,000                    
Long-term Debt     9,600,000                  
Long-term Debt, Current Maturities     1,600,000 1,600,000                
Early Repayment of Senior Debt $ 8,400,000