| Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Profit (loss) before tax | 52,262 | 18,168 | -9,725 | 29,984 | 35,596 | 25,289 |
|---|
| Depreciation and amortization | 16,600 | 18,085 | 18,675 | 18,748 | 20,834 | 21,803 |
|---|
| Impairment losses (reversal of impairment losses) | - | 678 | 8,083 | - | 13,641 | - |
|---|
| Increase or decrease in retirement benefit asset or liability | -231 | -38 | -14 | 63 | -413 | -409 |
|---|
| Finance income | -875 | -1,010 | -764 | -2,145 | -3,335 | -2,446 |
|---|
| Finance costs | 3,138 | 1,405 | 1,121 | 1,719 | 1,086 | 1,589 |
|---|
| Share of loss (profit) of investments accounted for using equity method | -614 | -103 | -160 | -358 | -569 | -40 |
|---|
| Decrease (increase) in trade and other receivables | -7,574 | 28,588 | 3,754 | -24,898 | -9,481 | 22,035 |
|---|
| Decrease (increase) in inventories | -7,958 | 1,615 | 687 | -14,196 | -9,714 | -1,049 |
|---|
| Increase (decrease) in trade and other payables | 4,977 | -19,887 | 1,381 | 10,601 | 2,477 | -13,808 |
|---|
| Other | 2,151 | -770 | 1,794 | -958 | 491 | -1,036 |
|---|
| Subtotal | 61,875 | 46,731 | 24,834 | 18,559 | 50,613 | 51,926 |
|---|
| Interest and dividends received | 872 | 1,004 | 775 | 622 | 1,109 | 2,424 |
|---|
| Interest paid | -357 | -419 | -368 | -322 | -331 | -419 |
|---|
| Income taxes refund (paid) | -5,888 | -18,933 | 158 | -3,216 | -13,830 | -14,599 |
|---|
| Net cash provided by (used in) operating activities | 56,500 | 28,383 | 25,399 | 15,643 | 37,561 | 39,332 |
|---|
| Purchase of property, plant and equipment | -30,878 | -29,192 | -18,009 | -19,248 | -29,407 | -27,045 |
|---|
| Proceeds from sale of property, plant and equipment | 186 | 51 | 77 | 46 | 435 | 125 |
|---|
| Purchase of other financial assets | -1,967 | -392 | -183 | -215 | -551 | -366 |
|---|
| Proceeds from sale of other financial assets | - | - | 20 | 507 | 10 | 624 |
|---|
| Other | -311 | -507 | -312 | -215 | -568 | -433 |
|---|
| Net cash provided by (used in) investing activities | -32,971 | -30,040 | -18,406 | -19,125 | -30,081 | -27,094 |
|---|
| Repayments of long-term borrowings | -2,185 | -12,185 | -2,185 | -2,185 | -2,185 | -2,185 |
|---|
| Proceeds from issuance of bonds | 20,000 | 20,000 | 30,000 | - | 20,000 | 10,000 |
|---|
| Redemption of bonds | -20,000 | - | -20,000 | - | - | -20,000 |
|---|
| Purchase of treasury shares | -4 | -1 | -2 | -5,088 | -5,958 | -2 |
|---|
| Dividends paid | -9,326 | -7,944 | -1,990 | -3,568 | -9,582 | -9,795 |
|---|
| Dividends paid to non-controlling interests | -8 | -106 | -232 | -98 | -766 | -349 |
|---|
| Repayments of lease liabilities | - | -1,498 | -1,613 | -1,785 | -1,916 | -1,934 |
|---|
| Payments for acquisition of interests in subsidiaries from non-controlling interests | - | - | - | - | -3,240 | - |
|---|
| Net cash provided by (used in) financing activities | -13,053 | 18,304 | 3,977 | -12,725 | -3,649 | -24,266 |
|---|
| Effect of exchange rate changes on cash and cash equivalents | -5,883 | -2,069 | -1,222 | 8,799 | 8,573 | 4,680 |
|---|
| Net increase (decrease) in cash and cash equivalents | 4,592 | 14,577 | 9,747 | -7,408 | 12,404 | -7,348 |
|---|