1. Summary of Significant Accounting Policies (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Summary Of Significant Accounting Policies Details Narrative
Stock-based compensation costs	$ 801	$ 1,289
Unrecognized stock-based compensation costs	2,200
Weighted-average period for recognition	3 years 4 months 26 days
Aggregate intrinsic value of options outstanding	13,800
Aggregate intrinsic value of options exercisable	$ 8,500
Options exercised	356
Share available for future grants	2,100
Shares repurchased	320,154	227,298
Stock repurchased during period cost	$ 1.36	$ 1.18