Note 3 - Stock-Based Compensation and Stock Option Activity (Detail) - Changes In Non-Vested Restricted Stock Units (USD $)	Mar. 31, 2013	Dec. 31, 2012
Non Vested Balance	13,954	13,954
Non Vested Balance (in Dollars per share)	$ 4.12	$ 4.12
Non Vested Balance	13,954	13,954
Non Vested Balance (in Dollars per share)	$ 4.12	$ 4.12

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 weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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