XML 48 R29.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Stock-Based Compensation (Tables) | 6 Months Ended
--- | ---
Jul. 01, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule Of Compensation Cost [Table Text Block] | The cost that has been charged against income for stock-based compensation is set forth below (in thousands):
|  | Three Months Ended |  | Six Months Ended |
|  | July 1, 2016 |  | July 3, 2015 |  | July 1, 2016 |  | July 3, 2015 |
Employee stock options |  | $ | 153 |  | $ | 555 |  | $ | 5,049 |  | $ | 1,193 |
Restricted stock |  |  | 2 |  |  | 63 |  |  | 227 |  |  | 307 |
Restricted stock units |  |  | 145 |  |  | 154 |  |  | 2,423 |  |  | 274 |
Nonemployee stock options |  |  | -- |  |  | 57 |  |  | 59 |  |  | 49 |
Total |  | $ | 300 |  | $ | 829 |  | $ | 7,758 |  | $ | 1,823 |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] | The Company recorded stock-based compensation costs in the following categories on the accompanying condensed consolidated statements of operations (in thousands):
|  | Three Months Ended |  | Six Months Ended |
|  | July 1, 2016 |  | July 3, 2015 |  | July 1, 2016 |  | July 3, 2015 |
Cost of sales |  | $ | -- |  | $ | 6 |  | $ | 560 |  | $ | 23 |
General and administrative |  |  | 167 |  |  | 548 |  |  | 3,688 |  |  | 1,124 |
Marketing and selling |  |  | 68 |  |  | 104 |  |  | 1,471 |  |  | 355 |
Research and development |  |  | 65 |  |  | 171 |  |  | 2,039 |  |  | 321 |
Total stock compensation expense |  |  | 300 |  |  | 829 |  |  | 7,758 |  |  | 1,823 |
Amounts capitalized as part of inventory |  |  | 36 |  |  | 129 |  |  | 188 |  |  | 251 |
Total |  | $ | 336 |  | $ | 958 |  | $ | 7,946 |  | $ | 2,074 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] | The risk-free rate is based on the U.S. Treasury yield curve corresponding to the expected term at the time of the grant.
|  | Three Months Ended |  |  | Six Months Ended |
|  | July 1, 2016 |  |  | July 3, 2015 |  |  | July 1, 2016 |  |  | July 3, 2015 |
Expected dividend yield |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Expected volatility |  |  | 45 | % |  |  | 57 | % |  |  | 53 | % |  |  | 57 | %
Risk-free interest rate |  |  | 1.01 | % |  |  | 1.42 | % |  |  | 1.27 | % |  |  | 1.61 | %
Expected term (in years) |  |  | 4.40 |  |  |  | 5.54 |  |  |  | 5.19 |  |  |  | 5.61 |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | A summary of option activity under the Plan for the six-month period ended July 1, 2016 is presented below:
|  | Options Shares (000’s) |
Outstanding at January 1, 2016 |  |  | 3,623 |
Granted |  |  | 725 |
Exercised |  |  | (265) |
Forfeited or expired |  |  | (298) |
Outstanding at July 1, 2016 |  |  | 3,785 |
Exercisable at July 1, 2016 |  |  | 3,176 |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] | A summary of restricted stock and RSU activity under the Plan for the six-month period ended July 1, 2016 is presented below:
|  | Restricted Shares (000’s) |  | RSUs (000’s) |
Outstanding at January 1, 2016 |  |  | 124 |  |  | 339 |
Granted |  |  | 15 |  |  | 307 |
Vested |  |  | (124) |  |  | (379) |
Forfeited |  |  | -- |  |  | (6) |
Outstanding at July1, 2016 |  |  | 15 |  |  | 261 |

X
- Definition Tabular disclosure of compensation cost that has been charged against income. + References No definition available. + Details
Name: | staa_ScheduleOfCompensationCostTableTextBlock
Namespace Prefix: | staa_
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 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 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 Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration