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STOCK-BASED COMPENSATION (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Jun. 03, 2014
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| Stock-based compensation | |||
| Granted (in shares) | 491,200us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | |
| Vested (in shares) | (142,895)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares | ||
| Aggregate grant date fair value at end of the reporting period (in dollars) | $ 4.14resn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue | ||
| Fair values of stock options granted, as estimated using Black-Scholes option valuation model assumptions: | |||
| Stock Price (in dollars per share) | $ 5.54us-gaap_SharePrice | $ 6.00us-gaap_SharePrice | |
| Common stock options | |||
| Stock-based compensation | |||
| Aggregate grant date fair value of options granted |
$ 2.0resn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantedInPeriodFairValue1 / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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| Granted (in shares) |
491,200us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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| Number of quarters from the date of grant subsequent to initial vesting, over which the awards vest |
16resn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfQuartersOverWhichAwardsVestFromGrantDateSubsequentToInitialVesting / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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| Common stock options | Minimum | |||
| Stock-based compensation | |||
| Exercise price range, lower limit (in dollars per share) |
$ 5.79us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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| Term of award | 3 years | ||
| Fair values of stock options granted, as estimated using Black-Scholes option valuation model assumptions: | |||
| Stock Price (in dollars per share) |
$ 5.79us-gaap_SharePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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| Expected Volatility (as a percent) |
56.60%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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| Risk-free interest rate (as a percent) |
1.52%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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| Expected Life | 4 years | ||
| Common stock options | Maximum | |||
| Stock-based compensation | |||
| Exercise price range, upper limit (in dollars per share) |
$ 8.06us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Term of award | 10 years | ||
| Fair values of stock options granted, as estimated using Black-Scholes option valuation model assumptions: | |||
| Stock Price (in dollars per share) |
$ 8.06us-gaap_SharePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Dividend Yield (as a percent) |
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Expected Volatility (as a percent) |
82.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Risk-free interest rate (as a percent) |
2.56%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Expected Life | 7 years | ||
| Restricted stock units | |||
| Stock-based compensation | |||
| Granted (in shares) |
174,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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| 2014 Omnibus Incentive Plan | |||
| Stock-based compensation | |||
| Number of shares of common stock approved for issuance |
1,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = resn_OmnibusIncentivePlan2014Member |
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| X | ||||||||||
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- Definition
Represents the number of quarters from the date of grant subsequent to initial vesting, over which the awards vest. No definition available.
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| X | ||||||||||
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- Definition
Represents the information pertaining to fair value of options granted. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. No definition available.
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| X | ||||||||||
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- Definition
The weighted average grant-date fair value of options outstanding at the end of reporting period as calculated by applying the disclosed option pricing methodology. No definition available.
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| X | ||||||||||
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- Definition
Represents the term of awards granted in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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| X | ||||||||||
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- Definition
Number of options vested. No definition available.
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| X | ||||||||||
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- Definition
The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Price of a single share of a number of saleable stocks of a company. No definition available.
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- Details
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