Note 29- Financial instruments

Credit risk

Exposure to credit risk:

The carrying amount of financial assets represents the maximum credit exposure. The maximum exposure to credit risk at the reporting date was

  Note 2010 2009
Due from related parties-non current 33 1,044 21,039
Other non-current assets* 16 15,258 11,996
Available-for-sale financial assets 15 - 62,398
Due from related parties-current 33 88,897 108,843
Trade receivables and accrued income 18 851,175 783,752
Other current assets* 19 56,170 29,284
Cash and cash equivalents** 20 3,294,206 3,095,329
Time deposits maturing in 3 months or more 15 8,201 -
    4,314,951 4,112,641

* Non-financial instruments such as prepaid expenses and advances given are excluded from other current assets and other non-current assets.
** Cash on hand is excluded from cash and cash equivalents.
The maximum exposure to credit risk for trade receivables arising from sales transactions including those classified as due from related parties at the reporting date by type of customer is:

  2010 2009
Receivable from subscribers 798,404 710,747
Receivables from distributors and other operators 71,044 85,949
Other 3,199 1,312
  872,647 798,008

The aging of trade receivables and due from related parties as at 31 December 2010 and 2009:

  2010 2009
Not past due 738,697 746,545
1-30 days past due 74,665 38,406
1-3 months past due 56,004 47,031
3-12 months past due 71,750 81,310
1-5 years past due - 342
  941,116 913,634

Impairment losses
The movement in the allowance for impairment in respect of trade receivables and due from related parties as at 31 December 2010 and 2009 is as follows:

  2010 2009
Opening balance 268,157 196,637
1-30 days past due 126,257 75,379
1-3 months past due (9,976) (7,978)
3-12 months past due (7,630) 4,119
Closing balance 376,808 268,157

The impairment loss recognized of $126,257 for the period ended 31 December 2010 relates to its estimate of incurred losses in respect of trade receivables and due from related parties.

The allowance accounts in respect of trade receivables and due from related parties is used to record impairment losses unless the Group is satisfied that no recovery of the amount owing is possible; at that point the amount considered irrecoverable and is written off against the trade receivables and due from related parties directly.

Liquidity risk
Current cash debt coverage ratio as at 31 December 2010 and 2009 is as follows:

  2010 2009
Cash and cash equivalents 3,302,163 3,095,486
Current liabilities 1,812,915 2,296,511
Current cash debt coverage ratio 182% 135%