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Stock Options (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Number of Shares  
Beginning balance 425,965
Granted 0
Forfeited 0
Exercised 9,700
Ending balance 416,265
Outstanding exercisable options at end of quarter 416,265
Weighted Average Exercise Price  
Beginning balance $ 1.84
Granted $ 0.00
Forfeited $ 0.00
Exercised $ 0.86
Ending balance $ 1.82
Outstanding exercisable options at end of quarter $ 1.84
Intrinsic value of exercisable options $ 138
Intrinsic value of outstanding options $ 138