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Note 10. Income Taxes Reconciliation of Effective Tax Rate (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]      
Federal statutory rate 35.00% 35.00% 35.00%
State and local income taxes, net of federal tax benefits 2.00% 5.00% 2.00%
Permanent differences 1.00% 2.00% (1.00%)
Net change in valuation allowance 1.00% (3.00%) (157.00%)
Other (2.00%) (2.00%) 1.00%
Effective income tax rate 37.00% 37.00% (120.00%)