XML 38 R25.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Stock-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Stock-Based Compensation |
Schedule of assumptions used in estimation of fair value of the share-based payment awards on the grant date |
|  | Year Ended December 31, |
Employee stock options: |  | 2015 |  | 2014 |  | 2013 |
Risk-free interest rate |  |  | 0.6% - 1.7 | % |  | 1.3% - 1.7 | % |  | 0.5% - 1.7 | %
Volatility |  |  | 55.7% - 59.3 | % |  | 53.7% - 57.5 | % |  | 57.7% - 62.9 | %
Expected life (years) |  |  | 3.0 - 5.0 |  |  | 4.0 - 5.0 |  |  | 4.0 - 5.0 |
Dividend yield |  |  | 0 | % |  | 0 | % |  | 0 | %
Summary of option and RSU activity under Amended and Restated 2000 Stock Option and Equity Incentive Plan and Amended and Restated 2010 Equity Incentive Plan | A summary of option activity under the Plans is presented below (in thousands, except exercise price):
|  |  |  | Options outstanding |
|  | Shares Available for Grant |  | Number of Shares |  | Weighted Average Exercise Prices |
Balance at December 31, 2012 |  |  | 1,265 |  |  | 6,872 |  | $ | 4.05 |
Additional shares authorized under the Amended 2010 Plan |  |  | 500 |  |  | — |  |  | — |
Restricted stock units granted |  |  | (35 | ) |  | — |  |  | — |
Options granted |  |  | (1,543 | ) |  | 1,543 |  | $ | 4.27 |
Options cancelled |  |  | 1,123 |  |  | (1,123 | ) | $ | 6.00 |
Options exercised |  |  | — |  |  | (565 | ) | $ | 3.05 |
Options expired |  |  | (888 | ) |  | — |  | $ | 6.49 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2013 |  |  | 422 |  |  | 6,727 |  | $ | 3.86 |
Additional shares authorized under the Amended 2010 Plan |  |  | 2,000 |  |  | — |  |  | — |
Restricted stock units granted |  |  | (508 | ) |  | — |  |  | — |
Restricted stock units cancelled |  |  | 5 |  |  | — |  |  | — |
Options granted |  |  | (174 | ) |  | 174 |  | $ | 3.53 |
Options cancelled |  |  | 496 |  |  | (496 | ) | $ | 4.31 |
Options exercised |  |  | — |  |  | (411 | ) | $ | 3.06 |
Options expired |  |  | (481 | ) |  | — |  | $ | 4.32 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2014 |  |  | 1,760 |  |  | 5,994 |  | $ | 3.87 |
Additional shares authorized under the Amended 2010 Plan |  |  | 500 |  |  | — |  |  | — |
Restricted stock units cancelled |  |  | 22 |  |  | — |  |  | — |
Options granted |  |  | (1,538 | ) |  | 1,538 |  | $ | 2.02 |
Options cancelled |  |  | 701 |  |  | (701 | ) | $ | 3.52 |
Options exercised |  |  | — |  |  | (82 | ) | $ | 1.64 |
Options expired |  |  | (386 | ) |  | — |  | $ | 3.20 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2015 |  |  | 1,059 |  |  | 6,749 |  | $ | 3.51 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Summary of the inducement grant option activity | A summary of the inducement grant option activity is presented below (in thousands, except exercise price):
|  | Options Outstanding |
|  | Number of Shares |  | Weighted Average Exercise Prices |
Balance at December 31, 2012 |  |  | 3,358 |  | $ | 4.29 |
Granted |  |  | 347 |  | $ | 3.94 |
Cancelled |  |  | (7 | ) | $ | 3.45 |
Exercised |  |  | (520 | ) | $ | 3.28 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2013 |  |  | 3,178 |  | $ | 4.42 |
Granted |  |  | 418 |  | $ | 3.68 |
Exercised |  |  | (73 | ) | $ | 2.59 |
Expired |  |  | (1,290 | ) | $ | 5.57 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2014 |  |  | 2,233 |  | $ | 3.68 |
Cancelled |  |  | (59 | ) | $ | 3.62 |
Exercised |  |  | (518 | ) | $ | 1.55 |
Expired |  |  | (16 | ) | $ | 1.55 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2015 |  |  | 1,640 |  | $ | 4.37 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Summary of RSU activity under the Plans | A summary of restricted stock unit activity under the Plans is presented below (in thousands, except fair value):
|  | Number of Shares |  | Weighted Average Grant-Date Fair Value |
Non-vested shares at December 31, 2012 |  |  | — |  |  | — |
Granted |  |  | 35 |  | $ | 4.46 |
Vested |  |  | (8 | ) | $ | 4.46 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-vested shares at December 31, 2013 |  |  | 27 |  | $ | 4.46 |
Granted |  |  | 508 |  | $ | 4.61 |
Vested |  |  | (136 | ) | $ | 4.60 |
Cancelled |  |  | (5 | ) | $ | 4.62 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-vested shares at December 31, 2014 |  |  | 394 |  | $ | 4.61 |
Vested |  |  | (131 | ) | $ | 4.60 |
Cancelled |  |  | (22 | ) | $ | 4.62 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-vested shares at December 31, 2015 |  |  | 241 |  | $ | 4.61 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Summary of significant ranges of outstanding and exercisable options | The following table summarizes significant ranges of outstanding and exercisable options as of December 31, 2015 (in thousands, except contractual life and exercise price):
|  | Options Outstanding |  | Options Exercisable |
Range of Exercise Price |  | Number Outstanding |  | Weighted Average Remaining Contractual Life (in Years) |  | Weighted Average Exercise Price |  | Number Exercisable |  | Weighted Average Exercise Price |  | Aggregate Intrinsic Value |
$1.68 - $2.05 |  |  | 1,607 |  |  | 8.47 |  | $ | 2.01 |  |  | 380 |  | $ | 2.04 |  |  |  |
$2.06 - $3.23 |  |  | 1,841 |  |  | 2.80 |  | $ | 3.09 |  |  | 1,578 |  | $ | 3.08 |  |  |  |
$3.24 - $3.85 |  |  | 1,411 |  |  | 2.40 |  | $ | 3.67 |  |  | 1,276 |  | $ | 3.68 |  |  |  |
$3.86 - $4.46 |  |  | 2,063 |  |  | 3.71 |  | $ | 4.27 |  |  | 1,640 |  | $ | 4.26 |  |  |  |
$4.47 - $6.06 |  |  | 1,427 |  |  | 1.94 |  | $ | 5.42 |  |  | 1,317 |  | $ | 5.46 |  |  |  |
$6.07 - $6.11 |  |  | 40 |  |  | 1.32 |  | $ | 6.11 |  |  | 40 |  | $ | 6.11 |  |  |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
$1.68 - $6.11 |  |  | 8,389 |  |  | 3.91 |  | $ | 3.68 |  |  | 6,232 |  | $ | 3.97 |  | $ | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Vested and expected to vest |  |  | 8,214 |  |  | 3.81 |  | $ | 3.71 |  |  |  |  |  |  |  | $ | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exercisable |  |  | 6,232 |  |  | 2.87 |  | $ | 3.97 |  |  |  |  |  |  |  | $ | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

X
- Definition Tabular disclosure of the inducement grant option activity. + References No definition available. + Details
Name: | mosy_ScheduleOfShareBasedCompensationInducementGrantOptionActivityTableTextBlock
Namespace Prefix: | mosy_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration