XML 20 R31.htm IDEA: XBRL DOCUMENT v2.4.1.9
Stock-Based Compensation (Details 4) (USD $)
Share data in Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Options Outstanding    
Vested and expected to vest Options Outstanding, Number Outstanding 9,027us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber  
Vested and expected to vest Options Outstanding, Weighted Average Remaining Contractual Life 4 years 4 months 24 days  
Vested and expected to vest Options Outstanding, Weighted Average Exercise Price $ 3.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice  
Exercisable, Number Outstanding 6,017us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber  
Exercisable, Weighted Average Remaining Contractual Life 2 years 10 months 17 days  
Exercisable, Weighted Average Exercise Price $ 3.81us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice  
Options Exercisable    
Vested and expected to vest Options Exercisable, Aggregate Intrinsic Value $ 405,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue  
Exercisable, Aggregate Intrinsic Value 331,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1  
$1.50 - $2.94    
Exercise price range    
Low end of the range (in dollars per share) $ 1.50us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars2.94Member
 
High end of the range (in dollars per share) $ 2.94us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars2.94Member
 
Options Outstanding    
Number Outstanding (in shares) 2,542us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars2.94Member
 
Weighted Average Remaining Contractual Life 5 years 11 months 19 days  
Weighted Average Exercise Price (in dollars per share) $ 2.06us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars2.94Member
 
Options Exercisable    
Number Exercisable (in shares) 1,098us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars2.94Member
 
Weighted Average Exercise Price (in dollars per share) $ 2.01us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars2.94Member
 
$2.95-$3.58    
Exercise price range    
Low end of the range (in dollars per share) $ 2.95us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars2.95ToDollars3.58Member
 
High end of the range (in dollars per share) $ 3.58us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars2.95ToDollars3.58Member
 
Options Outstanding    
Number Outstanding (in shares) 2,353us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars2.95ToDollars3.58Member
 
Weighted Average Remaining Contractual Life 3 years 10 months 6 days  
Weighted Average Exercise Price (in dollars per share) $ 3.23us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars2.95ToDollars3.58Member
 
Options Exercisable    
Number Exercisable (in shares) 1,502us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars2.95ToDollars3.58Member
 
Weighted Average Exercise Price (in dollars per share) $ 3.25us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars2.95ToDollars3.58Member
 
$3.59-$4.46    
Exercise price range    
Low end of the range (in dollars per share) $ 3.59us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars3.59ToDollars4.46Member
 
High end of the range (in dollars per share) $ 4.46us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars3.59ToDollars4.46Member
 
Options Outstanding    
Number Outstanding (in shares) 3,013us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars3.59ToDollars4.46Member
 
Weighted Average Remaining Contractual Life 4 years 9 months 7 days  
Weighted Average Exercise Price (in dollars per share) $ 4.15us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars3.59ToDollars4.46Member
 
Options Exercisable    
Number Exercisable (in shares) 2,131us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars3.59ToDollars4.46Member
 
Weighted Average Exercise Price (in dollars per share) $ 4.12us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars3.59ToDollars4.46Member
 
$4.47 - $6.50    
Exercise price range    
Low end of the range (in dollars per share) $ 4.47us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars4.47ToDollars6.50Member
 
High end of the range (in dollars per share) $ 6.50us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars4.47ToDollars6.50Member
 
Options Outstanding    
Number Outstanding (in shares) 1,467us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars4.47ToDollars6.50Member
 
Weighted Average Remaining Contractual Life 2 years 9 months 7 days  
Weighted Average Exercise Price (in dollars per share) $ 5.44us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars4.47ToDollars6.50Member
 
Options Exercisable    
Number Exercisable (in shares) 1,286us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars4.47ToDollars6.50Member
 
Weighted Average Exercise Price (in dollars per share) $ 5.49us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars4.47ToDollars6.50Member
 
$1.50 - $6.50    
Exercise price range    
Low end of the range (in dollars per share) $ 1.50us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars6.50Member
 
High end of the range (in dollars per share) $ 6.50us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars6.50Member
 
Options Outstanding    
Number Outstanding (in shares) 9,375us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars6.50Member
 
Weighted Average Remaining Contractual Life 4 years 6 months 18 days  
Weighted Average Exercise Price (in dollars per share) $ 3.56us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars6.50Member
 
Options Exercisable    
Number Exercisable (in shares) 6,017us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars6.50Member
 
Weighted Average Exercise Price (in dollars per share) $ 3.81us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars6.50Member
 
Aggregate Intrinsic value (in dollars) 418,000mosy_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsAggregateIntrinsicValue
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= mosy_RangeOfExercisePricesFromDollars1.50ToDollars6.50Member
 
Options    
Options Exercisable    
Total intrinsic value of awards exercised (in dollars) $ 8,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= mosy_EmployeeAndDirectorsStockOptionsMember
$ 500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= mosy_EmployeeAndDirectorsStockOptionsMember