Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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-Publisher FASB

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-Number 129

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Topic 210

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-Name Regulation S-X (SX)

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Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

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No definition available.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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-Paragraph A240

-Subparagraph b(1)(b)

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Note 4 - Stock Benefit Plans (Detail) (USD $) In Millions, except Share data, unless otherwise specified							12 Months Ended					1 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Mar. 31, 2010	Dec. 31, 2012 Issued Prior To December 31, 2011 [Member] Restricted Stock Units (RSUs) [Member]	Dec. 31, 2012 Issued Prior To December 31, 2011 (Adjusted To Reflect The Reverse/Forward Split) [Member] Restricted Stock Units (RSUs) [Member]	Dec. 31, 2012 Stock Options [Member]	Dec. 31, 2012 Service Based Restricted Stock Awards [Member]	Dec. 31, 2012 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2012 2004 Equity Incentive Plan [Member]	Dec. 31, 2012 2006 Director Plan [Member]	May 30, 2010 Acceleration of Unvested Stock-Based Awards [Member]	May 30, 2010 Settlement of Unvested Stock-Based Awards in the Form of a Fixed Cash Payment [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized										1,800,000	500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	65,000	94,000	80,000	488,000						100,000	100,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant										1,700,000	400,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars)	$ 0.1
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition							1 year 255 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number								86,041	16,875
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.001	$ 0.001			$ 0.001	$ 0.01
Allocated Share-based Compensation Expense (in Dollars)												0.2
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards (in Dollars)													$ 1.2