| Summary of Valuation Allowance [Table Text Block] |
| |
|
Beginning Balance |
|
|
Additions to Expense |
|
|
Deductions (1) |
|
|
Other (2) |
|
|
Ending Balance |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 2015 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Allowance for doubtful accounts |
|
$ |
898 |
|
|
|
970 |
|
|
|
(199 |
) |
|
|
|
|
|
|
1,669 |
|
| Deferred income tax valuation allowance |
|
|
3,962 |
|
|
|
8,381 |
|
|
|
(166 |
) |
|
|
|
|
|
|
12,177 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 2014 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Allowance for doubtful accounts |
|
|
815 |
|
|
|
268 |
|
|
|
(1,964 |
) |
|
|
1,749 |
|
|
|
868 |
|
| Deferred income tax valuation allowance |
|
|
3,234 |
|
|
|
1,111 |
|
|
|
(383 |
) |
|
|
|
|
|
|
3,962 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 2013 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Allowance for doubtful accounts |
|
|
612 |
|
|
|
180 |
|
|
|
23 |
|
|
|
|
|
|
|
815 |
|
| Deferred income tax valuation allowance |
|
|
1,888 |
|
|
|
984 |
|
|
|
362 |
|
|
|
|
|
|
|
3,234 |
|
|