EQUITY (Narrative) (Details) (USD $) | 3 Months Ended |
In Millions, except Share data, unless otherwise specified | Mar. 31, 2015 |
Employee Stock Option [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Options granted | 1,492,525 |
Equity awards, fair value | $0.58 |
Dividend yield | 0.00% |
Expected volatility, minimum | 62.68% |
Expected volatility, maximum | 67.84% |
Risk-free interest rate, minimum | 1.41% |
Risk-free interest rate, maximum | 1.71% |
Employee Stock Option [Member] | Share-based Compensation Award, Tranche One [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Options granted | 425,059 |
Employee Stock Option [Member] | Share-based Compensation Award, Tranche Two [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period | 3 years |
Vesting rights percentage | 33.33% |
Employee Stock Option [Member] | Minimum [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Option exercise price | $0.32 |
Expected term | 5 years |
Employee Stock Option [Member] | Maximum [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Option exercise price | $0.83 |
Expected term | 6 years 6 months |
Restricted Stock [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Restricted stock granted | 1,512,409 |
Equity awards, fair value | $1.10 |
Restricted Stock [Member] | Share-based Compensation Award, Tranche One [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Restricted stock granted | 502,604 |
Vesting period | 1 year |
Restricted Stock [Member] | Share-based Compensation Award, Tranche Two [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Restricted stock granted | 92,500 |
Lock-up period | 6 months |
Restricted Stock [Member] | Share-based Compensation Award, Tranche Three [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Restricted stock granted | 917,305 |
Vesting period | 3 years |
Vesting rights percentage | 33.33% |