XML 86 R63.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 9 - Income Taxes (Detail) - Activity in Valuation Allowance on Deferred Tax Assets (Valuation Allowance of Deferred Tax Assets [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Valuation Allowance of Deferred Tax Assets [Member]
    
Beginning balance $ 550 $ 1,258
Additional provisions to allowance   32
Write-offs and other deductions (251) (740)
Ending balance $ 299 $ 550