|
Exchange Rates Used for Translation of Balance Sheet and Statement of Operations (Detail)
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2013
|
Dec. 31, 2012
|
|
|
PLN / US$
|
||
| Effects Of Foreign Currency Movements [Line Items] | ||
| Balance sheet rate | 3.2590 | 3.0996 |
| Average rate | 3.1469 | 3.2249 |
|
RUR / US$
|
||
| Effects Of Foreign Currency Movements [Line Items] | ||
| Balance sheet rate | 31.0381 | 30.4779 |
| Average rate | 30.4048 | 30.1674 |
|
HUF / US$
|
||
| Effects Of Foreign Currency Movements [Line Items] | ||
| Balance sheet rate | 237.8832 | 221.4000 |
| Average rate | 224.7786 | 225.5175 |