Note 1 - Organization and Significant Accounting Policies (Detail) - Summary of Earnings (Loss) Per Share	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Basic weighted-average shares	22,709,000	24,095,000	24,213,000
Conversion of unsecured loan notes	7,000	7,000	7,000
Unexercised options	63,000	188,000	185,000
Unvested restricted stock units	756,000	343,000
Diluted weighted-average shares	23,535,000	24,633,000	24,405,000

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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+ Details