26. Trade and other receivables

31 December 2012 31 December 2011 (restated)
Trade receivables from related parties 14,349 13,385
Trade receivables from third parties 320,381 257,750
Receivables due from sale of tangible assets from related parties 33 171
Receivables due from sale of programming assets 2,048 1,940
Tax and social security receivables 36,884 45,157
Loans granted 228 225
Other receivables 1,736 1,914
Total 375,659 320,542

Trade receivables from third parties include primarily receivables from individual customers, media houses and distributors.

Trade receivables, by currency

Currency 31 December 2012 31 December 2011 (restated)
PLN 316,611 258,497
EUR 13,228 8,211
USD 4,697 4,276
GBP 2 2
AUD 142 99
CAD 50 50
Total 334,730 271,135

Movements in the allowance for impairment of accounts receivable

31 December 2012 31 December 2011
Opening balance 91,629 112,092
Increase 24,441 71,478
Reversal (9,980) (3,714)
Utilisation (62,661) (88,227)
Closing balance 43,429 91,629