Year Ended December 31 | |||||||||||
2013 | 2012 | 2011 | |||||||||
Employee Termination Benefits | |||||||||||
Balance at January 1 | $ | 30 | $ | 63 | $ | 145 | |||||
(Reductions) additions charged to expense | (6 | ) | 3 | — | |||||||
Payments | (10 | ) | (36 | ) | (82 | ) | |||||
Balance at December 31 | $ | 14 | $ | 30 | $ | 63 | |||||
Allowance for Doubtful Accounts | |||||||||||
Balance at January 1 | $ | 155 | $ | 167 | $ | 239 | |||||
Additions (reductions) to expense | 1 | (4 | ) | 4 | |||||||
Bad debt write-offs | (61 | ) | (8 | ) | (76 | ) | |||||
Balance at December 31 | $ | 95 | $ | 155 | $ | 167 | |||||
Deferred Income Tax Valuation Allowance* | |||||||||||
Balance at January 1 | $ | 15,443 | $ | 11,096 | $ | 9,185 | |||||
Additions to deferred income tax expense | 2,665 | 5,471 | 2,216 | ||||||||
Reduction of deferred income tax expense | (937 | ) | (1,124 | ) | (305 | ) | |||||
Balance at December 31 | $ | 17,171 | $ | 15,443 | $ | 11,096 | |||||