Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.

+ References+ Details

Earnings Per Share - Additional Information (Detail)	3 Months Ended		1 Months Ended
Earnings Per Share - Additional Information (Detail)	Mar. 31, 2013	Mar. 31, 2012	Dec. 30, 2009 Anika Therapeutics S.r.l.	Mar. 31, 2013 Anika Therapeutics S.r.l.
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Issuance of common stock in connection with acquisition			1,981,192
Shares remain in escrow				500,000
Equity awards outstanding included in the diluted potential common shares	500,000
Equity awards outstanding but not included in the computation of diluted earnings per share	555,001	380,551