| 31 December 2013 | 31 December 2012 | |
|---|---|---|
| Trade receivables from related parties | 12,273 | 14,349 |
| Trade receivables from third parties | 347,125 | 320,381 |
| Tax and social security receivables | 13,538 | 36,884 |
| Other receivables | 1,488 | 4,045 |
| Total | 374,424 | 375,659 |
Trade receivables from third parties include primarily receivables from individual customers, media houses and distributors.
Trade receivables by currency
| Currency | 31 December 2013 | 31 December 2012 |
|---|---|---|
| PLN | 344,647 | 316,611 |
| EUR | 11,296 | 13,228 |
| USD | 3,346 | 4,697 |
| GBP | 2 | 2 |
| AUD | 100 | 142 |
| CAD | 7 | 50 |
| Total | 359,398 | 334,730 |
Movements in the allowance for impairment of accounts receivable
| 31 December 2013 | 31 December 2012 | |
|---|---|---|
| Opening balance | 43,429 | 91,629 |
| Increase | 14,341 | 24,441 |
| Reversal | (4,944) | (9,980) |
| Utilisation | (18,888) | (62,661) |
| Closing balance | 33,938 | 43,429 |
