|
CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (USD $)
In Thousands, unless otherwise specified |
Common Stock
|
Retained Earnings
|
Noncontrolling Interest
|
Accumulated Other Comprehensive Income (Loss)
|
Total
|
|---|---|---|---|---|---|
| Balance at Dec. 31, 2014 |
$ 125,489us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 10,891us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 3,781us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
$ (11,204)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
$ 128,957us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
| Balance (in shares) at Dec. 31, 2014 |
18,662us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
18,662us-gaap_CommonStockSharesIssued | |||
| Increase (Decrease) in Shareholders' Equity | |||||
| Share-based compensation expense |
1,339us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
1,339us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross | |||
| Proceeds from the exercise of stock options, and issuance of restricted stock units |
1,640natr_StockIssuedDuringPeriodValueStockOptionsAndRestrictedStockExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
1,640natr_StockIssuedDuringPeriodValueStockOptionsAndRestrictedStockExercised | |||
| Proceeds from the exercise of stock options , and issuance of restricted stock units (in shares) |
249natr_StockIssuedDuringPeriodSharesStockOptionsAndRestrictedStockExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
||||
| Tax benefit from exercise of stock options |
52us-gaap_DeferredTaxExpenseFromStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
52us-gaap_DeferredTaxExpenseFromStockOptionsExercised | |||
| Repurchase of common stock |
(2,857)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(2,857)us-gaap_StockRepurchasedDuringPeriodValue | |||
| Repurchase of common stock (in shares) |
(202)us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(202)us-gaap_StockRepurchasedDuringPeriodShares | |||
| Cash dividends (0.10 per share) |
(1,865)us-gaap_DividendsCommonStockCash / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
(1,865)us-gaap_DividendsCommonStockCash | |||
| Net income |
5,667us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
(152)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
5,515us-gaap_ProfitLoss | ||
| Other comprehensive income |
1us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
1us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | |||
| Balance at Mar. 31, 2015 |
$ 125,663us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 14,693us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 3,629us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
$ (11,203)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
$ 132,782us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
| Balance (in shares) at Mar. 31, 2015 |
18,709us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
18,709us-gaap_CommonStockSharesIssued |
| X | ||||||||||
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- Definition
Number of share options (or share units) exercised, and issuance of restricted stock units during the current period. No definition available.
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| X | ||||||||||
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- Definition
Value of stock issued as a result of the exercise of stock options and issuance of restricted stock units. No definition available.
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| X | ||||||||||
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- Definition
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. No definition available.
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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