| Comprehensive Income (Loss) [Table Text Block] |
| | | | | | | | | | | | | | | | | (in thousands) | | | | | | | | | | | | | | Foreign currency translation adjustments | | | | | | | | | | | | | | | | | | Balance at beginning of period | | $ | (6,612 | ) | | $ | (2,730 | ) | | $ | (5,212 | ) | | $ | (2,929 | ) | | Other comprehensive loss before reclassifications | | | (154 | ) | | | (966 | ) | | | (1,554 | ) | | | (767 | ) | | Amounts reclassified from accumulated other comprehensive income (loss) | | | - | | | | - | | | | - | | | | - | | | Net current-period other comprehensive loss | | | (154 | ) | | | (966 | ) | | | (1,554 | ) | | | (767 | ) | | Balance at end of period | | $ | (6,766 | ) | | $ | (3,696 | ) | | $ | (6,766 | ) | | $ | (3,696 | ) | |