Note 15 - Stock-Based Compensation (Detail) - Option Activity (USD $)	9 Months Ended
Sep. 30, 2012
Outstanding at January 1, 2012	8,027,950
Outstanding at January 1, 2012 (in Dollars per share)	$ 1.09
Granted	13,944,248
Granted (in Dollars per share)	$ 0.22
Exercised	(42,000)
Exercised (in Dollars per share)	$ 0.31
Forfeited or Expired	(1,239,154)
Forfeited or Expired (in Dollars per share)	$ 1.19
Outstanding at September 30, 2012	20,691,044
Outstanding at September 30, 2012 (in Dollars per share)	$ 0.50
Outstanding at September 30, 2012	8 years
Outstanding at September 30, 2012 (in Dollars)	$ 418,000
Exercisable at September 30, 2012	5,949,031
Exercisable at September 30, 2012 (in Dollars per share)	$ 1.09
Exercisable at September 30, 2012	4 years 109 days

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise prices of fully vested and expected to vest options outstanding.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Number of share options (or share units) exercised during the current period.

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