| Schedule of Inventory, Current [Table Text Block] |
| |
|
2015 |
|
|
2014 |
|
| At average cost (approximates current cost) |
|
|
|
|
|
|
|
|
| Finished goods |
|
$ |
35,517 |
|
|
$ |
25,369 |
|
| Work in process |
|
|
1,695 |
|
|
|
2,391 |
|
| Raw materials and supplies |
|
|
31,247 |
|
|
|
25,935 |
|
| Total inventories at weighted average cost |
|
|
68,459 |
|
|
|
53,695 |
|
| LIFO reserve |
|
|
(3,502 |
) |
|
|
(8,342 |
) |
| Total inventories |
|
$ |
64,957 |
|
|
$ |
45,353 |
|
|