Note 4 - Earnings Per Share (Detail) - Options to Purchase Common Stock	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Anti-dilutive securities	1,373,860	498,600	1,126,795	498,600
Stock Options [Member]
Anti-dilutive securities	1,373,860	498,600	1,126,795	498,600

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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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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+ Details