Name:	neos_DefinedContributionPlanEmployerMatchingContributionPercentForSecondTierContribution
Namespace Prefix:	neos_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage employer matches of the employee's second tier plan contribution, as a percent of employee salary.

No definition available.

Name:	neos_DefinedContributionPlanEmployerMatchingContributionPercentOfMatchForSecondTierEmployeeContribution
Namespace Prefix:	neos_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Total maximum percentage employer matches of the employee's percentage contribution, when taking into account the first tier contribution and the second tier contribution of the employee.

No definition available.

Name:	neos_DefinedContributionPlanMaximumEmployerMatchingContributionPercent
Namespace Prefix:	neos_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Maximum catch up contribution allowed by employees who are 50 years old or older.

No definition available.

Name:	neos_MaximumCatchUpContributionsAllowedByEmployeesOver50
Namespace Prefix:	neos_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The minimum employee age requirement to make catch up contributions to plan.

No definition available.

Name:	neos_MinimumAgeRequirementToMakeCatchUpContributions
Namespace Prefix:	neos_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of the cost recognized during the period for defined contribution plans.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage employer matches of the employee's percentage contribution matched.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Maximum amount the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.