XML 47 R32.htm IDEA: XBRL DOCUMENT
v3.21.2

Stock-Based Compensation Expense (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020
Cost of sales | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Nonqualified stock options | ​ | $ | 318 | ​ | $ | 347 | ​ | $ | 636 | ​ | $ | 686
Research and development | ​ |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​
Nonqualified stock options | ​ | ​ | 276 | ​ | ​ | 262 | ​ | ​ | 555 | ​ |  | 547
Selling, general and administrative | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ | ​ | ​
Nonqualified stock options | ​ | ​ | 814 | ​ | ​ | 1,724 | ​ | ​ | 2,441 | ​ |  | 3,429
Performance-based restricted stock units | ​ | ​ | 972 | ​ | ​ | 833 | ​ | ​ | 1,703 | ​ | ​ | 1,145
Restricted stock units | ​ | ​ | 385 | ​ | ​ | 31 | ​ | ​ | 740 | ​ | ​ | 31
Cash-settled share-based awards ("Liability Awards") | ​ | ​ | 372 | ​ | ​ | 231 | ​ | ​ | 657 | ​ | ​ | 367
Total selling, general and administrative | ​ | ​ | 2,543 | ​ | ​ | 2,819 | ​ | ​ | 5,541 | ​ | ​ | 4,972
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock-based compensation expense before taxes | ​ | $ | 3,137 | ​ | $ | 3,428 | ​ | $ | 6,732 | ​ | $ | 6,205
Stock Options |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | ​
​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended
​ | ​ | June 30,
​ | ​ | 2021 | ​ | 2020
Risk-free interest rate |  | 0.6% |  | 0.5% - 1.7%
Expected option term |  | 4.0 years |  | 4.0 - 5.0 years
Expected dividend yield |  | — |  | —
Expected price volatility |  | 46.7% |  | 38.7% - 43.2%
Stock-Settled Performance-Based Restricted Stock Units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended |
​ | ​ | June 30, | ​
​ | ​ | 2021 | ​ | 2020 |
Risk-free interest rate |  | 0.1% - 0.3% |  | 1.1% - 1.3% | ​
Remaining performance period |  | 1.8 - 2.8 years |  | 0.8 - 2.8 years | ​
Expected dividend yield |  | — |  | — | ​
Expected price volatility |  | 43.7% - 49.3% |  | 40.2% - 56.1% | ​

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |