XML 17 R48.htm IDEA: XBRL DOCUMENT v2.4.0.6
INCOME TAXES - Reconciliation of U.S. federal statutory rate (Details 1)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Tax Disclosure [Abstract]      
Federal statutory rate 35.00% 34.00% 34.00%
State rate, net of federal benefit 5.00% 6.00% 8.00%
Tax credits   (9.00%) (128.00%)
Change in valuation allowance (18.00%) (50.00%) (558.00%)
State tax rate change     157.00%
Non-qualified option cancellations and forfeitures   11.00% 394.00%
Nondeductible compensation expense   (1.00%)  
Prior year adjustment   (2.00%) 5.00%
Expiring NOLs and tax credits   10.00% 84.00%
Other   1.00% 5.00%
Effective tax rate 22.00% 0.00% 1.00%