XML 63 R39.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Employee Stock Purchase Plan Stock Options and Warrants (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The stock-based compensation expense before income tax expense for the years ended December 31, 2016, 2015 and 2014, consisted of the following (in thousands):
| 2016 |  | 2015 |  | 2014
Cost of goods sold | $ | 472 |  |  | $ | 398 |  |  | $ | 198 |
Research and development | 184 |  |  | 122 |  |  | 69 |
Selling, general, and administrative | 1,850 |  |  | 1,723 |  |  | 1,193 |
Stock-based compensation expense before taxes | $ | 2,506 |  |  | $ | 2,243 |  |  | $ | 1,460 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | In applying the Black-Scholes methodology to the option grants, the fair value of our stock-based awards granted were estimated using the following assumptions for the periods indicated below:
| 2016 |  | 2015 |  | 2014
Risk-free interest rate | 1.15% | - | 1.40% |  | 1.53% | - | 1.66% |  | 1.53% | - | 1.97%
Expected option life | 5.0 years |  | 5.0 years |  | 5.0 | - | 5.5 years
Expected dividend yield | —% |  | —% |  | —%
Expected price volatility | 34.28% | - | 37.06% |  | 33.72% | - | 35.11% |  | 34.52% | - | 36.90%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable | The table below presents information related to stock option activity for the years ended December 31, 2016, 2015 and 2014 (in thousands):
| 2016 |  | 2015 |  | 2014
Total intrinsic value of stock options exercised | $ | 3,648 |  |  | $ | 7,548 |  |  | $ | 3,505 |
Cash received from stock option exercises | 4,577 |  |  | 6,227 |  |  | 7,697 |
Excess tax benefit from the exercise of stock options | 669 |  |  | 2,124 |  |  | 576 |
Schedule of Share-based Compensation, Stock Options, Activity | Changes in stock options for the year ended December 31, 2016, consisted of the following (shares and intrinsic value in thousands):
| Number of Shares |  | Weighted Average Exercise Price |  | Remaining Contractual Term (in years) |  | Intrinsic Value
Beginning balance | 2,408 |  |  | $ | 14.26 |  |  |  |  |  |
Granted | 880 |  |  | 17.43 |  |  |  |  |  |
Exercised | (362 | ) |  | 13.61 |  |  |  |  |  |
Forfeited/expired | (109 | ) |  | 14.52 |  |  |  |  |  |
Outstanding at December 31 | 2,817 |  |  | 15.32 |  |  | 4.4 |  | $ | 31,476 |
Exercisable | 1,033 |  |  | 13.64 |  |  | 2.7 |  | 13,274 |
Ending vested and expected to vest | 2,718 |  |  | 15.27 |  |  | 4.4 |  | 30,512 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | The following table summarizes information about stock options outstanding at December 31, 2016 (shares in thousands):
|  |  |  | Options Outstanding |  | Options Exercisable
Range of Exercise |  | Number Outstanding |  | Weighted Average Remaining Contractual Life (in years) |  | Weighted Average Exercise Price |  | Number Exercisable |  | Weighted Average Exercise Price
$9.95 | - | $13.16 |  | 772 |  | 3.70 |  | $ | 12.11 |  |  | 393 |  | $ | 12.23 |
$13.75 | - | $16.05 |  | 1,181 |  | 4.02 |  | $ | 14.84 |  |  | 533 |  | $ | 13.77 |
$16.41 | - | $20.27 |  | 747 |  | 5.54 |  | $ | 18.35 |  |  | 103 |  | $ | 18.06 |
$21.71 | - | $22.00 |  | 117 |  | 6.54 |  | $ | 21.94 |  |  | 4 |  | $ | 21.98 |
$9.95 | - | $22.00 |  | 2,817 |  |  |  |  |  |  | 1,033 |  |  |

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 allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
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

X
- Definition Tabular disclosure of the number of fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both options (or share units) currently outstanding and options (or share units) exercisable (or convertible). + 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 (e) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration