Note 7 - Stockholders' Equity (Detail) - Schedule of option activity (USD $)	6 Months Ended	12 Months Ended
Jun. 30, 2012	Dec. 31, 2011
Number of options outstanding	50,000
Number of options outstanding [Member]
Number of options outstanding	50,000	50,000
Number of options exercisable	50,000	50,000
Weighted average exercise price [Member]
Weighted average exercise price, options (in Dollars per share)	10.96	10.96
Weighted average exercise price, options exerciseable (in Dollars per share)	10.96	10.96
Weighted average remaining contractual life [Member]
Weighted average remaining contractual life	2 years 175 days	2 years 357 days
Weighted average remaining contractual like, options exercisable	2 years 175 days	2 years 357 days
Aggregate intrinsic value [Member]
Aggregate intrinsic value, options outstanding (in Dollars)	0	0
Aggregate intrinsic value, options exercisable (in Dollars)	0	0

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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

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- Definition

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

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