|
SHARE-BASED COMPENSATION (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Feb. 26, 2009
|
Dec. 31, 2012
|
Dec. 31, 2011
|
May 31, 2011
|
Dec. 31, 2010
|
May 31, 2007
|
Jul. 31, 2011
Minimum [Member]
|
Jul. 31, 2010
Minimum [Member]
|
Jul. 31, 2011
Maximum [Member]
|
Jul. 31, 2010
Maximum [Member]
|
Dec. 31, 2012
Stock Options [Member]
|
Dec. 31, 2011
Stock Options [Member]
|
May 31, 2011
Stock Options [Member]
|
May 31, 2007
Stock Options [Member]
|
Dec. 31, 2012
Restricted Stock Units (RSUs) [Member]
|
Dec. 31, 2011
Restricted Stock Units (RSUs) [Member]
|
May 31, 2011
Restricted Stock Units (RSUs) [Member]
|
May 31, 2007
Restricted Stock Units (RSUs) [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||||||||
| Number of shares authorized | 1,400,000 | 8,000,000 | 1,400,000 | 8,000,000 | ||||||||||||||
| Number of common shares subscribed by authorized options and RSUs | 8,400,000 | 48,000,000 | ||||||||||||||||
| Weighted average exercise price per option | $ 3.30 | $ 1.40 | $ 1.40 | $ 1.40 | ||||||||||||||
| Vesting period for options | 5 years | 7 years | ||||||||||||||||
| Increase in the fair value of options due to plan modification | $ 2,614 | |||||||||||||||||
| Expected forfeiture rate | 15.00% | 10.00% | 5.00% | 15.00% | 10.00% | |||||||||||||
| Unrecognized compensation cost related to non-vested stock options | 204 | 1,210 | ||||||||||||||||
| Unrecognized compensation cost, recognition period | 3 years | 4 years | 2 years | 2 years 1 month 17 days | ||||||||||||||
| Unrecognized compensation cost related to non-vested RSUs | $ 190 | $ 164 | ||||||||||||||||
| Shares available for future grant | 3,940,253 | 1,809,751 | 3,940,253 | 1,809,751 | ||||||||||||||