Note 5 - Fair Value Measurements (Details Textual) - Manhattan and Ariston Pharmaceuticals Merger [Member] $ / shares in Units, $ in Millions	1 Months Ended
Mar. 31, 2010 USD ($) $ / shares
Notes Issued \| $	$ 15.5
Debt Instrument, Term (Year)	5 years
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Debt Instrument, Convertible, Conversion Price (in dollars per share) \| $ / shares	$ 1,125

The price per share of the conversion feature embedded in the debt instrument.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The fair value of notes issued in noncash investing and financing activities.

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